I have always been an Intel man myself. For my current system (check out my rig below) I could've afforded to use anything I wanted, but I specifically chose the Athlon 1.3GHz over the P4 1.7GHz for three reasons. First, I don't play games... at all, not even solitare. I don't need any more reasons for the computer to hold me hostage. Second, in virtually every realworld benchmark, the Athlon spanks the P4 even at the lower clock speeds, and all I use are realworld apps. Third, the Athlon FPU doesn't just spank the P4, it uttely obliterates it by no small margin. It's like the Lakers playing my local high school team in basketball. The Athlon is just that much better. Considering I use 3DS Max, Discreet Edit and Combustion to do video editing on my system, this is no small enhancement. One of my guys has a P4 1.5GHz, identically configured, and can't believe the difference, especially under MAX and Combustion.
There is also a fourth reason. The fact that I can buy TWO Athlon/Mobo combinations, or upgrade much sooner without worrying about the $600 I just laid out three months ago for a lousy P4 processor and motherboard. The economics are a substantial part of it. My cohort is pissed that he dropped nearly $800 of his money only a few months ago that it can't hold a candle to mine that I paid $340 (talking CPU/mobo only). If I honestly thought that the P4 was an equal or better processor, I would've stuck with Intel and never gave AMD the time of day.
Common sense dictates a logical conclusion here.
Athlon - hands down.