PS2 is CPU bound in heavy battles, so GPU isn't a issue there for the most part.
You might be able to get 60fps+ on high / ultra if you overclock that 3770k to 4.5ghz+, but I can't promise anything, as I play on very low (except textures) to get maximum FPS in combat.
I get 60+ in heavy fights on
[email protected], 7950CF (GPU usage is only 50% though :P).