Heres some suggestions I would give you:
Instead of that Case I would try for the Antec 900 ....awesome case http://www.newegg.com/Product/Product.aspx?Item=N82E16811129021&Tpk=antec%2b900
Get this thermal compound, best around : http://www.newegg.com/Product/Product.aspx?Item=N82E16835100007...