I've been reading that if you don't have a cpu above 3.6 P4 comparison then you shouldn't bother getting the XTX? I use a D 820 (2.8) and am going to upgrade slowly. The 1st thing I'm gonna get is the graphics card. It is still in the air, a little bit, between the 1900 xtx/xt or the 7900. But I think I've at least settled on the 1900 by HIS. I know all about the XTX slowing down to meet the XT crossfire speeds, but I'm not planning on building a crossfire rig....unless someone shows me it really is worth it. That's a lot of $$$ tied up in the GPU's alone.