ehh my old comp was alot wors then yours and i had about the same framerate.. ^^

Phenom 9500 Q
4 gig ram
Asus 8500GT 512m
vista 64 Ult.
not sure about the drive but it was not a 10k RPM.
2x Syncmaster 245B.

To me your system should be smoth as hells..
I use this setup x2 for 10 boxing now, only difference is i got 8 gig on both pc's.