www.blkviper.com

Turns off services and such. More oriented for NT based systems, but has a few 9x tips available.

Though I agree with more memory never hurting anything, there is a practical limit (for most) of 256MB. Any more than that and either you're a geek, person with money, or don't know what's going on in the first place and had someone build it for you. 256MB is plenty for any normal user with today's software; not applications that came out 5 years ago.

I say that, then I have to bark about the fact that there's no substitute for raw processing power. In general, the more GHz you have, the faster the system. A faster bus makes up a healthy chunk of this. I would rather have an AMD system on a 200MHz bus at 2GHz than one with a 100MHz bus at 2GHz.