First place to start is the watercooling sticky, it will teach you all the background info needed to start watercooling. Chances are it will answer most of your questions.http://www.tomshardware.com/forum/277130-29-read-first-watercooling-sticky
I notice that your using a HAF-X, have a look at my build log (in my sig), I also use the HAF-X and seeing how other have done it in your case and the issues they'v run into will make it a much easier for you.
For instance, motherboard clearance is an issues in this case. Dont put thick rads at the top.