Go GST. The added clock speed will give you a bigger gain than videoram will for now. If you are the "I upgrade my videocard every 2-3 years" person, get the GS-512mb. I'm the person who upgrades his gamerig constantly. I'm waiting for reverse SMP before I do my next motherboard/CPU/RAm swap. Go right now a second 7800GT is on my agenda...I want some SLI lovin. Current setup, which rocks hard on HL2: Athlon 64 3500+ 2 GB DDR (2 x 1GB) 1TB disk space (1 x 200GB, 2 x 400GB) NForce4 SLI motherboard geforce 7800GT 256mb 480w antec psu. It's a pretty solid machine, but I'm loking for more. The new Pentiums are wicked. http://www.ncix.com/products/index.php?sku=19144&vpn=BX80557E6600&manufacture=Intel Who knew that Pentium would have the best gaming processor. SheepStar