I have to ask, like the GTX 295, it has 2x GT200? (2 GTX 260's)? What does the 275 have? Like 2 of what? Or is it just a normal card like a GTX 260/280? Also what competes to the GTX 275 and has similar performance from an ATI card? Like my 4870 x2 is equal performance to a GTX 280 I presume.