Check this website
http://www.watercoolplanet.de/index....ow=1&pagenum=1
Cascade was number one but it's now number two
I've never heard of number 1 and 3!!!
LRWW is 6th
microchannel seems to be the hype now
ps It's in german but can someone check it and tell me how they tested the blocks and what system are they using?