Hey guys, haven't been around for a long time. I built a new system a couple years ago using the ASUS Crosshair V Formula AM3+ board (not formula Z), and FX 8150 current;y at 4.4Ghz, 16gb of GSkill DDR3 @1600, Diamond HD7970. My question to you all is, would it be worthwhile to upgrade to the FX...