I actually like the AC design more, it just looks better. Where the OCZ version looks like they just thought "lets cut a little bit out the fins" stylee.
WARNING: I am cracking down on stupidity in the forums. Anyone caught making a dumb statement clearly not knowing many, if any of the facts, will promptly be directed to xtremesystems.
Sig edited. If anyone wants to know about the E4400 (E7200 sold) drop me a PM