Please help me choose a GPU

Hello Every one I need some advice on what GPU I should get for My new system I am building


Should i get 2 280 BFG Oced water cooled cards or 3 260 BFG oced water cooled cards?




Here are the specs


Case http://www.frozencpu.com/products/ [...] Black.html

CPU Quad 9770

GPU 3 260's in tri sli or 2 280's in sli

Memory Viper Patriot DDR3 1600 4 gigs

Hard drive 1 terabyte from Western digital

motherboard evga 790i

Power supply Thermaltake Toughpower 1200W


I have a dell 3007 wfp monitor and a 47 inch westinghouse monitor

............

I am looking for a balance of power and staying power { so i dont have to shell out more cash for 2 years}

And Do i have a good enought Power supplie to for my system?


Any help would be greatly welcomed

Than you for you time.