Upgrading my video cards to TWO 1GB ATi Radeon HD5850s in Crossfire mode. Impressions soon.
Windows 7 Ultimate
Intel Core 2 Quad Q6600 @ 3.0GHz w/ Tunic Tower 120
8GB OCZ fata1ity PC26400
Gigabyte Radeon HD5850
320GB primary SATA + 120GB secondary storage IDE
Gigabyte GA-EP45 UD3P Socket LGA775 mobo
OCZ StealthXStream 700W PSU
LiteOn DVD/CD burner
Antec 300 Illusion case
24" Acer P422w 1080p monitor
EDIT: Shitty Crossfire scaling on my motherboard, so one of these cards is going back.