which of these coolers?

For a core 2 duo 2.33ghz?



zerotherm cf900

thermaltake blue orb

thermaltake mini typhoon

kingwin ka9227



or should I get a scythe?

Overclocking alot w/ good chipset = Zalman 9700



Regular = Stock is fine.

I have an evga 650i I plan to do a bit of overclocking, possibly upgrading to a quad core in the distant future once the prices come down. This is my first computer build in a long time. Last time I built a computer the coolest things out were cd burners. I would rather get a cool looking cooler that works well rather than a stock unit.