As Matt says, Swiftech mechanism is very good, and I've seen WBs using it, like this O4P Magnum (the one I will use in my future watercooling):
By the way, it's my first post here, so hello everyone...

This is a great website with an excellent forum, I've learnt a lot here, and hope will continue doing it
I also invite you to visit the best spanish OCing website, for all of you who knows spanish language:
www.ngasis.com
Regards from Spain!!
[ 11-15-2001: Message edited by: Nemes1S ]