This thread rocks!, i got almost all questions answered just by going through it.. now i know what size of O-rings to buy (ofcourse where to get them too ) and where to mount the LED's and how to

Here's my question(s):

I have HWlabs GTX 360, T3 (D5 vario), HK3.0 and DD GTX 285 v2 blcoks in SLI
1. what will be optimum loop for these components
2 . will it make a difference if i run SLI in a separate loop (since i'm using only one RAD)