80gb sata is ur hard-disk not processor
never mind, ur gfx is x200 with 512 System ram so...
Roleplaying: u can try Oblivion( will run at low), Neverwinter Nights, World of Warcraft(online), GTA : san andreas..
Shooter: COD2(will run at high), FEAR(low), Unreal Tournament 04 (high), Doom 3( medium), Quake 4 (low) ..etc