Frankly if your budget is $400 then I'd go buy a whole new mac! There is more to speed than cpu frequency. Faster memory bus, faster HD interfaces. Lot's of people do, but I say don't spend that much on a cpu upgrade, sell your machine, and buy a later model. --- c m <dachamp_11226 at yahoo.com> wrote: > I have to HD in my G4. one has the original OS9.2 > and the other has OS 10.4 > I have a budget of ~$400....I figure if i am going > to > spend it why not on something higher than dual > 500MHz..... __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com