Not to be forgotten
Surely someone has put this into the forum some place. I do not have time to read them all.
I take no credit but have used this gentleman's expertise often.
My real name is Charles M. Sparks.
If you navigate over to his site below and implement some of the suggestions you could go a very long way to toward that 'lean mean' Windows 7 machine.
Be conservative and use 'Safe' if you are not sure about what you are
doing. But I have been using this site for a couple of years with
no real issues and great results.
Through XP, Vista, and now Windows 7 Ultimate.