CPU wise you should be fine. System requirements call for GeForce 6600 or Radeon 9800 though, so the shared-memory GPU of the Mini might not suffice. I suggest

CPU wise you should be fine. System requirements call for GeForce 6600 or Radeon 9800 though, so the shared-memory GPU of the Mini might not suffice. I suggest comparing the 3DMark score of the mini with that of a card that's definitely supported.