wont it be hard to get fitting in there with the memory and the vid card?

That does look  VERY tight. I'm using a EK Supremacy block.
 
If a little bit of light airflow is all that's needed to cool it. I'll probably give that one a miss. Looks to be a lot of work, and more tube routing for very little gain.
 
Although I've always wanted a 'duck' incorporated into my PC somewhere... 

cisco0623

wont it be hard to get fitting in there with the memory and the vid card?

The block goes on first.  No troubles at all.  When Dave posts the pics of that block on the board, then we will see what we are working with.  I have packed it as tight as possible, so if the waterblock doesn't go to crazy with the mounting, then I have some wiggle room and its 100% possible. 
 
Right now I am working on fixture plates.

This has nothing to do with the block, but this is a before, and after with nothing but surface finish:
 
Before:

AFTER:

Just showing off..  teasing you folks talking about engraving:

 

 
(couldn't help the hole there, it was purchased as scrap.  Its for me to make my own holes and bolt raw materials to, and hit the go button)

Is that your base for the Extreme11 boards?
 
Very sexy...
 
You still thinking about live streaming your cutting of the X79 Dark blocks? 

yup, that is the fixture plate for the ASRock X79 Extreme 11 boards

Looks great, I think the SB block would be nice to have since if you touch that block while the pc is running its quite warm but I will agree its going to be a tight fit and running the tubing to them are going to be even worse.
 
I would be interested in the blocks either way though, I have a quad ut60 cooling just my CPU and I feel the need to add more things into the loop.  Ill send you a PM once I have 10 posts!

If this is the case:

 
then I think we will be juuuuuust fine and I have some breathing room by the CPU hold down. Either way, a picture of the block installed goes a looooong way.

I bet if we used the LGA 1366 water blocks it would help fit