Graphics Overclocking Management Question

Greetings Geeks -

I currently have a GTX 460 OC. It is an EVGA board, and the card came with a slick OC utility called "Precision." The board does not offer anti-aliasing or vertical sync control (or at least I overlooked those settings in the software).

I know Riva Turner can perform overclocking and does offer support for other settings such as aliasing and sync controls. So, here-in lies my question: Do I need to use one or the other? Can I overclock in Precision and set other variables in Riva Tuner? Or should I use Riva Tuner only? Is another single, alternative utility?

I have the card in my newly built AMD Phenom II X4 955 sporting 4 gigs o' RAM. I don't plan on doing any hardcore system overclocking, I might fiddle a bit out of curiosity.

Can anyone provide some insight? Thanks!