First let me start by saying that overclocking is very risky, you can seriously damage your system, so please use this guide with care.
That said lets start!
Compiz, Beryl and some games work a bit slow on old video cards, so we overclock and improve their performance!
I have an ATI Radeon 9550 card made by Gigabyte […]

Windows Vista Aero interface competing with Ubuntu Linux and Beryl.