Wow, I have lots to type. *Cracks knuckles POP*
I actually used those slockets before to take my original computer from a PII 266 to a Celeron 466. That isn't really an option in this case for several reasons. (Too many to get into.)
I've seen those Pricewatch ads, but I think I can probably find a PIII 500 - 600 used for much cheaper.
As for the AMD vs PIII issue, no doubt the Athlons are faster. In fact my main computer system is a Tbird 700@900. This computer is just a system I use during holidays and weekends. (I'm a Electrical Engineering senior in college, so I have to come home on the weekends etc.) The reason I want to speed this one up is compared to my Athlon system ... well there is no comparision. (85 fps on a 17" monitor vs 25 fps on a 15".) Seriously, this thing is slower than a Ford Fiesta towing a semi.
Unfortunately it's not easy to overclock this system. It's built on a SE440BX-2 board (the original one). Since the board is made by Intel, overclocking is not easily possible. (SoftFSB would probably work, but I'm not going to risk screwing this computer up or making it unstable.) Since this board is the original Seattle board the best processor I can use is a PIII 600 Katami.
Mars, that wouldn't be much of an improvement over the 366 Celeron I've got, but I might go ahead and do it anyway. I couldn't pay $75 for a 450, but I'd give you $50 for it. (Do you still have the fan and heatsink on it/for it?) I work at Norvac on Saturdays. If you want to sell it, just bring it by. (I'll send you an e-mail.)
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bloom25
THUNDERBIRDS