Ugh, don't like the sound of that performance drop. I'm also considering a Core 2 Quad Q6600. It's quad core so I get the power of having quad core for compiling stuff, the clock speed is higher than...

Hmm, first post here in ages. Anyway, I'm getting a new box soon, and I'm torn between an Athlon 64 X2 6400+, or a Phenom (either 9500 or 9600). From what I've seen, the 6400+ outperforms the Phenom...