The H100 is already here. A little late to do much about that.
As for the mobos, i can't seem to find another link readily.
I'll just list them out for you to find- it'll be faster that way.
ASRock X79 Champion - CEB Form Factor
ASUS Rampage IV Extreme - EATX Form Factor
Those are the cards i'm asking if they'll fit or not. The Champion is the one i'm most interested in, but if it wont fit, these are the alternatives, in decending order.
ASUS P9X79 DELUXE -ATX Form Factor
ASUS X79 Sabertooth -ATX Form Factor
ASRock X79 Extreme9 -ATX Form Factor
ASRock X79 Extreme6/GB -ATX Form Factor