which heatsink should i choose for oc celeron 667/1000 (slotket) ?

[pioneer9]

I'm going to oc a celeron 667mhz to 1Ghz (10x100) sitting on a slotket,
on an abit bh6 rev1.0 (bx motherboard) ,which cooler should i choose?
Is alpha pep66 heatsink is good if so which size of fan should i choose?
Where is the cheaper place on the web to buy it?

[Nagorak]

Alpha PEP66 is designed for Slocket use, and is generally considered to be the best. The Agilent Arcticooler is also a good heatsink though, that's what I use personally. Read some reviews, that'll give you a good idea of what to try (start with the ones on the main page).