I would love to see the Thermalright Macho Rev. B included in the mix. It's normally for sale via Amazon at $50, keeps my 4770k at 29* C at idle in utter silence, and can handle over 200W of total head load without much air circulation (in a tiny Metis Plus mITX case). My only complaint is that...
As of now, these boards can only be completely filled by using P106 cards in 6 slots - whether or not that will change at some point remains to be seen.