If you run two 6800 GTs in dual SLI, you can smoke HL2 and Doom 3 at frames of around 100 FPS. Which is pretty much unheard of with the latest/greatest games.
Re: More MORE! I really hope you've checked out what type of ram you have and what speed it's on because if it isn't DDR ram running at 400 mhz your current ram is totaly useles on that board. (ok it will propably run if it's DDR ram but you'll fuck up the total speed of the system for sure)
Re: More MORE! Just because you have the other bits it doesnt mean it will work with the motherboard. Depending on what you buy you will need to get new ram and better case and so on... Build a spec you want. Buy the simple cheaper bits. Then when you can afford them buy the more expensive bits that should be cheaper by then!
You selected an AGP motherboard and a PCI express card. No that's not a good choice! That's like buying a SNES game and a Genesis for it to go in. Just ain't gonna happen. If you get the AGP version of the card..... ;-)
Do not get an AGP mobo. I cannot stress this enough. Your system will be obsolete within a half year--you won't be able to upgrade it with a good VC.
Mistaken identity Even though he listed the card as "Chaintech GeForce 6600 GT / 128MB DDR3 / PCI Express / VGA / DVI / TV Out / Video Card: 185.00" that link actually went to an AGP card... I hope he noticed I found his same parts $150 less after shipping... ~Krelian