Best ATI OCing/ Monitoring Software?

[Smoochydies]

I just bought all of the parts for my new build. I'm using a PII 955 with a Gigabyte 790gx and 4GB(ddr2). I was wondering what software I should get for OCing.

Or can everything be done from the BIOS?

 

[buzznut]

Riva tuner for graphics. AMD overdrive for the motherboard.
You can find a good guide for oc'ing with GURU3d.

http://www.guru3d.com/article/rivatuner-20-fan-speed--overclock-guide/