Here's my list.
Capcom vs. SNK Millennium Fight (JP)
Crazy Taxi
Crazy Taxi 2
Fast Striker ver. 1.5
Gauntlet Legends
Grandia II
GunLord
Hydro Thunder
Last Hope: Pink Bullets
Marvel vs. Capcom (JP)
Marvel vs. Capcom 2 (JP)
Neo XYX
Rayman 2
SoulCalibur
Sturmwind
Tokyo Xtreme Racer 2
Some of these will probably go away soon. I've sold a bunch in the past, too, including a Virtua Tennis by accident (the dupe I had was too scratched up to send, so I had to send my copy instead). There are about 17 games I want left for it.
Border Down
EGG
Guilty Gear X
KoF Evolution
Last Blade 2
Looney Tunes Space Race
Mark of the Wolves
Outtrigger
Radilgy
Re-Volt
Ready 2 Rumble Boxing
Silver
Tokyo Xtreme Racer
Toy Commander
Trizeal
Virtua Tennis (again
)
Zero Gunner 2
Games I've bought and then sold:
Bangai-O
Bust-a-Move 4
Daytona USA
Demolition Racer
Ecco the Dolphin: Defender of the Future
Legacy of Kain
NFL 2K2
Ready 2 Rumble Round 2
ReDUX (and the DUX game that came with it)
Resident Evil Code Veronica
San Francisco Rush 2049
Sonic Adventure