WOW! Thats a nice laptop. Dell also makes a gaming laptop that has SLI, I don't know if it can be purchased anymore tho. Not sure. Anyways these are the specs I found.
Core 2 Quad Q9000 2.0GHZ, 6MB L2 cache, 1066MHZ FSB
4GB DDR3 PC3-8500
500GB 5400RPM HDD
Blu-ray Drive
Nvidia 9700GT 512MB
Windows Vista 64BIT Edition
Digital Dolby Home Theatre.