I still use Win2K on my main computer, but I bit the bullet I upgraded to XP on my 5 slaves.

I tried Vista about 8 months ago and gave up on it.

I hear good things about Win7 though.

Also for I thinks AMD duel core is faster for our use (I am pretty sure I will know for sure this week when I upgrade my motherboards) cause the clock rate is faster ....

I shut down a lot of those services that I dont use also.