Hello all! Recently my 6870 2gb cooling fan took a shit on me and now I am interested in upgrading. Right now I am looking at the 7970 6gb, is this overkill(I use a 30 inch 1080p tv as my monitor)? Would the 3gb model be more than sufficient to last another year or two? Currently I run with a AMD Phenom II 1090T x6 3.4ghz processor. Do you folks think this will be a bottleneck? Wondering if I am better off going with the 3gb model and upgrading to an I7. Any help or advice would be greatly appreciated(including new part suggestions), thanks in advance.