I don't have the official list, but I've mirrored quite a bit of the main stuff.
The words highlighted in blue are solo packs.
The words highlighted in green are singles packs.
-----------------------------------------------------------------------------------------
30 Solo Sims
http://www.megaupload.com/?d=F2W5F45L
62 Solo Fielz
http://www.megaupload.com/?d=9SK42CIS
92SoloFiels
http://www.megaupload.com/?d=WC8Y3U3L
96 Solo Fiels
http://www.megaupload.com/?d=ZVIXE3XP
Ace Megapack
http://www.megaupload.com/?d=O8EM4DFP
Astronomic Metal Collection
http://www.megaupload.com/?d=0C5A46JN
Bemani Conversion Mini-Pack
http://www.megaupload.com/?d=OXBXP9MY
BCMP2
http://www.megaupload.com/?d=4B67UVQV
BCMP3
http://www.megaupload.com/?d=U6LM13ZL
BCMP4
http://www.megaupload.com/?d=XB39DP5D
Best of SS
http://www.megaupload.com/?d=R9Q69OXK
CMDKDF Pack
http://www.megaupload.com/?d=KA9HAG7V
Community Keyboard Megapack - Volume 1
http://www.megaupload.com/?d=U1ZUGL7Z
Community Keyboard Megapack - Volume 2
http://www.megaupload.com/?d=UL8Z8S75
Community Keyboard Megapack - Volume 3
http://www.megaupload.com/?d=SAXWSMTD
Dark Chanchellors Pack
http://www.megaupload.com/?d=GX62H9C5
Fresh Flock of Fantastic Files F4
http://www.megaupload.com/?d=QH6MIJNA
Fabulously Fresh Flock of Fantastic Files F5
http://www.megaupload.com/?d=WIM6JF3Q
FFR Community Pack
http://www.megaupload.com/?d=PPVMWVJC
Flash Flash Revolution Community Pack 2
http://www.megaupload.com/?d=9QX111PP
GLoVEs Stepmania Gym
http://www.megaupload.com/?d=K2KG6TQM
hard ****
http://www.megaupload.com/?d=J8NP08G4
hard **** 2
http://www.megaupload.com/?d=3GVLV02Z
Hard Songs Megapack Volume 1
http://www.megaupload.com/?d=EXLKYKPE
Hard Songs Megapack Volume 2
http://www.megaupload.com/?d=P8LHINF3
Hard Songs Megapack Volume 3
http://www.megaupload.com/?d=O9L9Y7J7
Hard Songs Megapack Volume 4
http://www.megaupload.com/?d=2LFTU0JF
Hard Songs Megapack Volume 5
http://www.megaupload.com/?d=IHQ8IBYX
Hard Songs Megapack Volume 6
http://www.megaupload.com/?d=85CJJM7M
Hard Songs Megapack Volume 7
http://www.megaupload.com/?d=D8JAKM27
Hard Songs Megapack Volume 8
http://www.megaupload.com/?d=30ATJXOO
Keyboard Collaboration I
http://www.megaupload.com/?d=87MPVZ7T
Keyboard Collaboration II
http://www.megaupload.com/?d=G64RC9O7
Keyboard Collaboration III
http://www.megaupload.com/?d=13QLQ1CP
Keyboard Mega Pack
http://www.megaupload.com/?d=VFUHNDLL
Keyboard Mega Pack 1.5
http://www.megaupload.com/?d=95QEFJLZ
Keyboard Mega Pack 2
http://www.megaupload.com/?d=091K8B79
Keys of Flames
http://www.megaupload.com/?d=VJ9IW2ZB
Kirby Pack 2
http://www.megaupload.com/?d=7SPPIQ7O
Long Version Favorites Mix
http://www.megaupload.com/?d=CNQ2VRO6
Long Version MIX
http://www.megaupload.com/?d=JE7SLO0A
Long Version Mix Extras
http://www.megaupload.com/?d=G74X5DE8
midare megapack
http://www.megaupload.com/?d=4XMFV0EQ
midare megapack 2
http://www.megaupload.com/?d=PWZNP4EC
midare megapack 3
http://www.megaupload.com/?d=JOKTRLML
midare megapack 4
http://www.megaupload.com/?d=SDMDGMJW
midare megapack 5
http://www.megaupload.com/?d=M6LZLTII
Minitaka Pack
http://www.megaupload.com/?d=43JQQDMY
Mystery Pack
http://www.megaupload.com/?d=RRQEQ6ZL
ODIpack
http://www.megaupload.com/?d=SJF1BKWY
ODIPack 2
http://www.megaupload.com/?d=B0K4UFWW
ODI2 Solo Conversions
http://www.megaupload.com/?d=UCO9ONAY
Pokemon Pack
http://www.megaupload.com/?d=L1AC77N3
Pokemon Pack 2
http://www.megaupload.com/?d=BTHNR89Y
Puritanical Penis Pack 1
http://www.megaupload.com/?d=BS1E6WZ9
Puritanical Penis Pack 2
http://www.megaupload.com/?d=U5A3EE4R
Rebound Vibrajacking Pack
http://www.megaupload.com/?d=8YR21R3D
Rebound Vibrajacking Pack II
http://www.megaupload.com/?d=W54UC9C7
Red Fraction Pack
http://www.megaupload.com/?d=KFHIKBRX
Roar176 The Anniversary
http://www.megaupload.com/?d=HBAQ4W1R
Roar176's Freezes
http://www.megaupload.com/?d=YM1M399B
Roar176's Very Danger
http://www.megaupload.com/?d=7P6YENIU
SMG Community Revival Pack
http://www.megaupload.com/?d=P1CMYXH5
SMGpack
http://www.megaupload.com/?d=C7HAZGSA
SMGpack 2
http://www.megaupload.com/?d=MYJUYWQ5
SMGroove Community Revival Pack Deluxe
http://www.megaupload.com/?d=TAFINSI4
Stepmania.fi online pack
http://www.megaupload.com/?d=GRY9L4J0
Stepmania.fi online pack 2
http://www.megaupload.com/?d=P84OA7JW
Super Keyboard Song Pack
http://www.megaupload.com/?d=I6V1DZIP
Super Simfile Song Pack
http://www.megaupload.com/?d=7OJM1FC7
TG09
http://www.megaupload.com/?d=2IW09G0H
The Boshans
http://www.megaupload.com/?d=L7MEAB7Z
The Boshans 2
http://www.megaupload.com/?d=TDE6F56C
The Kirby Pack
http://www.megaupload.com/?d=LLPFBOCT
Touhou Project
http://www.megaupload.com/?d=7RTFOCHK
Ultimate Simfile Pack
http://www.megaupload.com/?d=J0MQ7WMZ
VGMP
http://www.megaupload.com/?d=516HYUH3
VGMP 2
http://www.megaupload.com/?d=X2WANAQE
VGMP 3
http://www.megaupload.com/?d=72EGNI81
VGMPP
http://www.megaupload.com/?d=X9KEHK2V
xclusivemegapack
http://www.megaupload.com/?d=HW6Y4WAB
Xiao's Solo Beginner Pack
http://www.megaupload.com/?d=H9F7SLYM
Xiao's Solo Beginner Pack II
http://www.megaupload.com/?d=7MSW16M8
Xiao's Solo Beginner Pack III
http://www.megaupload.com/?d=8VVED85N
Xoon
http://www.megaupload.com/?d=0I568EW3
Xoon 2
http://www.megaupload.com/?d=5IYXYN82
Xoon 3
http://www.megaupload.com/?d=90B5UKQE
Xoon 4 part 1
http://www.megaupload.com/?d=VS7YWZLR
Xoon 4 Blue Version
http://www.megaupload.com/?d=3VUQ8TL2
Xoon Drama Pack
http://www.megaupload.com/?d=8N0GFPW0
Xoon Drama Pack 2
http://www.megaupload.com/?d=YT6IWFYG
Xoon Finale
http://www.megaupload.com/?d=JT58917O
The words highlighted in blue are solo packs.
The words highlighted in green are singles packs.
-----------------------------------------------------------------------------------------
30 Solo Sims
http://www.megaupload.com/?d=F2W5F45L
62 Solo Fielz
http://www.megaupload.com/?d=9SK42CIS
92SoloFiels
http://www.megaupload.com/?d=WC8Y3U3L
96 Solo Fiels
http://www.megaupload.com/?d=ZVIXE3XP
Ace Megapack
http://www.megaupload.com/?d=O8EM4DFP
Astronomic Metal Collection
http://www.megaupload.com/?d=0C5A46JN
Bemani Conversion Mini-Pack
http://www.megaupload.com/?d=OXBXP9MY
BCMP2
http://www.megaupload.com/?d=4B67UVQV
BCMP3
http://www.megaupload.com/?d=U6LM13ZL
BCMP4
http://www.megaupload.com/?d=XB39DP5D
Best of SS
http://www.megaupload.com/?d=R9Q69OXK
CMDKDF Pack
http://www.megaupload.com/?d=KA9HAG7V
Community Keyboard Megapack - Volume 1
http://www.megaupload.com/?d=U1ZUGL7Z
Community Keyboard Megapack - Volume 2
http://www.megaupload.com/?d=UL8Z8S75
Community Keyboard Megapack - Volume 3
http://www.megaupload.com/?d=SAXWSMTD
Dark Chanchellors Pack
http://www.megaupload.com/?d=GX62H9C5
Fresh Flock of Fantastic Files F4
http://www.megaupload.com/?d=QH6MIJNA
Fabulously Fresh Flock of Fantastic Files F5
http://www.megaupload.com/?d=WIM6JF3Q
FFR Community Pack
http://www.megaupload.com/?d=PPVMWVJC
Flash Flash Revolution Community Pack 2
http://www.megaupload.com/?d=9QX111PP
GLoVEs Stepmania Gym
http://www.megaupload.com/?d=K2KG6TQM
hard ****
http://www.megaupload.com/?d=J8NP08G4
hard **** 2
http://www.megaupload.com/?d=3GVLV02Z
Hard Songs Megapack Volume 1
http://www.megaupload.com/?d=EXLKYKPE
Hard Songs Megapack Volume 2
http://www.megaupload.com/?d=P8LHINF3
Hard Songs Megapack Volume 3
http://www.megaupload.com/?d=O9L9Y7J7
Hard Songs Megapack Volume 4
http://www.megaupload.com/?d=2LFTU0JF
Hard Songs Megapack Volume 5
http://www.megaupload.com/?d=IHQ8IBYX
Hard Songs Megapack Volume 6
http://www.megaupload.com/?d=85CJJM7M
Hard Songs Megapack Volume 7
http://www.megaupload.com/?d=D8JAKM27
Hard Songs Megapack Volume 8
http://www.megaupload.com/?d=30ATJXOO
Keyboard Collaboration I
http://www.megaupload.com/?d=87MPVZ7T
Keyboard Collaboration II
http://www.megaupload.com/?d=G64RC9O7
Keyboard Collaboration III
http://www.megaupload.com/?d=13QLQ1CP
Keyboard Mega Pack
http://www.megaupload.com/?d=VFUHNDLL
Keyboard Mega Pack 1.5
http://www.megaupload.com/?d=95QEFJLZ
Keyboard Mega Pack 2
http://www.megaupload.com/?d=091K8B79
Keys of Flames
http://www.megaupload.com/?d=VJ9IW2ZB
Kirby Pack 2
http://www.megaupload.com/?d=7SPPIQ7O
Long Version Favorites Mix
http://www.megaupload.com/?d=CNQ2VRO6
Long Version MIX
http://www.megaupload.com/?d=JE7SLO0A
Long Version Mix Extras
http://www.megaupload.com/?d=G74X5DE8
midare megapack
http://www.megaupload.com/?d=4XMFV0EQ
midare megapack 2
http://www.megaupload.com/?d=PWZNP4EC
midare megapack 3
http://www.megaupload.com/?d=JOKTRLML
midare megapack 4
http://www.megaupload.com/?d=SDMDGMJW
midare megapack 5
http://www.megaupload.com/?d=M6LZLTII
Minitaka Pack
http://www.megaupload.com/?d=43JQQDMY
Mystery Pack
http://www.megaupload.com/?d=RRQEQ6ZL
ODIpack
http://www.megaupload.com/?d=SJF1BKWY
ODIPack 2
http://www.megaupload.com/?d=B0K4UFWW
ODI2 Solo Conversions
http://www.megaupload.com/?d=UCO9ONAY
Pokemon Pack
http://www.megaupload.com/?d=L1AC77N3
Pokemon Pack 2
http://www.megaupload.com/?d=BTHNR89Y
Puritanical Penis Pack 1
http://www.megaupload.com/?d=BS1E6WZ9
Puritanical Penis Pack 2
http://www.megaupload.com/?d=U5A3EE4R
Rebound Vibrajacking Pack
http://www.megaupload.com/?d=8YR21R3D
Rebound Vibrajacking Pack II
http://www.megaupload.com/?d=W54UC9C7
Red Fraction Pack
http://www.megaupload.com/?d=KFHIKBRX
Roar176 The Anniversary
http://www.megaupload.com/?d=HBAQ4W1R
Roar176's Freezes
http://www.megaupload.com/?d=YM1M399B
Roar176's Very Danger
http://www.megaupload.com/?d=7P6YENIU
SMG Community Revival Pack
http://www.megaupload.com/?d=P1CMYXH5
SMGpack
http://www.megaupload.com/?d=C7HAZGSA
SMGpack 2
http://www.megaupload.com/?d=MYJUYWQ5
SMGroove Community Revival Pack Deluxe
http://www.megaupload.com/?d=TAFINSI4
Stepmania.fi online pack
http://www.megaupload.com/?d=GRY9L4J0
Stepmania.fi online pack 2
http://www.megaupload.com/?d=P84OA7JW
Super Keyboard Song Pack
http://www.megaupload.com/?d=I6V1DZIP
Super Simfile Song Pack
http://www.megaupload.com/?d=7OJM1FC7
TG09
http://www.megaupload.com/?d=2IW09G0H
The Boshans
http://www.megaupload.com/?d=L7MEAB7Z
The Boshans 2
http://www.megaupload.com/?d=TDE6F56C
The Kirby Pack
http://www.megaupload.com/?d=LLPFBOCT
Touhou Project
http://www.megaupload.com/?d=7RTFOCHK
Ultimate Simfile Pack
http://www.megaupload.com/?d=J0MQ7WMZ
VGMP
http://www.megaupload.com/?d=516HYUH3
VGMP 2
http://www.megaupload.com/?d=X2WANAQE
VGMP 3
http://www.megaupload.com/?d=72EGNI81
VGMPP
http://www.megaupload.com/?d=X9KEHK2V
xclusivemegapack
http://www.megaupload.com/?d=HW6Y4WAB
Xiao's Solo Beginner Pack
http://www.megaupload.com/?d=H9F7SLYM
Xiao's Solo Beginner Pack II
http://www.megaupload.com/?d=7MSW16M8
Xiao's Solo Beginner Pack III
http://www.megaupload.com/?d=8VVED85N
Xoon
http://www.megaupload.com/?d=0I568EW3
Xoon 2
http://www.megaupload.com/?d=5IYXYN82
Xoon 3
http://www.megaupload.com/?d=90B5UKQE
Xoon 4 part 1
http://www.megaupload.com/?d=VS7YWZLR
Xoon 4 Blue Version
http://www.megaupload.com/?d=3VUQ8TL2
Xoon Drama Pack
http://www.megaupload.com/?d=8N0GFPW0
Xoon Drama Pack 2
http://www.megaupload.com/?d=YT6IWFYG
Xoon Finale
http://www.megaupload.com/?d=JT58917O