Self Support Forums is a brilliant resource for information pertaining to liquid cooling. Head over to the Mayhems self support thread over at were there are some very knowledgeable users in Mayhems product lines-> Here

Bit-Tech.Net is fantastic for build logs with lots of information. It is supported by many top level modders out there.
Direct link to there forums -> Here (OCUK) has there own water cooling section which has some very well known users -> Here