that alooooooooooooooot for 1440x900 just get the gtx 660 non ti or hd 7870
-1 It won't be too much in two years or so.
Go for the HD 7950 - it will last you nearly 3 years at that res, and you'll have plenty of VRAM to support XfireX if you want to add another card down the road. It's also almost as good as the HD 7970 and GTX 670, but much cheaper. And it can be overclocked at least 25%.