Soul Calibur 2 with Link for the gamecube was
The old school Tekkens for PS1 was something else too. Something about how fluid it felt always had me fiending for a Playstation.
MVC2 for the dreamcast was a classic as well.
Gaming confession:I never really played 3rd strike like that.
I did play SFIV a lot on the 360 though. That was probably the most played SF game I had.