Lets see, they're really hidden
SRPG:Yggdra Union, Disagea(near must-buy), Wild Arms XF, Jeanna D'Arc (Must buy of genre)
RPG:Riviera (kind've more like a book, than a game) Tales of Eternia (import)
Racing: Wipeout Pure. Burnout
Platformer: Crush, Castlevania, Loco Roco, Megaman MHX, and N+(It's great for it's price)
and you might be interested in God of War, Yu-gi-oh Tagforce 3 (import) and Lumines. As far as Fighters go, I'm a guilty gear man myself and GGXXAC is coming out in march.