SF3
CVS2
MVC2
Castle Shikigami
Trigger Heart Excelica (on it's way)
Psyvair (or however it's spelled)
Last Blade
This list could go on and on but PS2 is home to arcade ports the same way that DC was and the PS2 is very piracy friendly. Only big difference between the 2 systems is Ikaruga, most of the notable games have been ported from DC (or arcade) to the PS2.
Dreamnes/Snes Station