Things NOT to do with windows

[W1nTry]

This is a neat little article I stumbled across that anyone from the casual internet user to the power user should check out:
http://lifehacker.com/5033518/debunking-common-windows-performance-tweaking-myths

A little excerpt so that you can get the just:

Disabling QoS to Free Up 20% of Bandwidth

This tip made the rounds with people believing that Microsoft always allocates 20% of your bandwidth for Windows Update. According to the instructions, you were supposed to disable QoS in order to free up bandwidth. Unfortunately this tip was not only wrong, but disabling QoS will cause problems with applications that rely on it, like some streaming media or VoIP applications.

[Arcmanov]

Interesting.  I actually do the whole 'disable System Restore' thing, not for a performance increase,
but because I just don't use it, but its good to note that it really doesn't make sense disabling it in the 1st place.

I kinda figured out over the years that those 'RAM optimising' apps were a crock of s#!t.