i think its 7.5, between:
7: Okay for modern day...ie Windows Media Player and Internet Explorer
8: Average Gamer - World of Warcraft Maybe? lol
If you added a 6600gt to that for example it could easily be a 9.
Core 2 Duo E6400, DFI Infinity 975X/G, 2x 512mb DDR2 667mhz, Albatron 7900gt, WD 200gb SATA, Samsung DVD-RW, Silverstone ST-50EF 500w PSU.