I wouldn't lie to a former squaddie.
Only a moron would get suckered into buying a p3 now, but it takes a special breed of moron to get conned into a p4.
AMD is the fastest (and cheapest) right now. I could give you a pile of benchmarks to show it, but I can assure you that an Athlon 1.2 is faster in ANY DX based game than a P4 system. (Given identical vid cards etc.)
The only good thing about a P4 system is you know that you are supporting a trio of blue mimes.
Right now the best deal is the Athlon Tbird 800 - 900. (Go to
www.tomshardware.com and read their new Athlon scaling article.)
As for MBs, you have 2 real choices Abit Kt7 (kt7a) or Asus a7v (a7v133). Both are excellent boards, though I prefer the Asus.
(The Kt7a and a7v133 have the 133 mhz fsb setting needed for the new "c" type Thunderbirds.)
(BTW: Your system would be faster in your new system board by dumping the 100 Mhz stick of Ram and running your system at 133 Mhz fsb memory setting.)
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bloom25
THUNDERBIRDS