Hah, I got some **** for you, man.
#1 recommendation without a doubt is Scuba, his stuff is nuts:
I just saw him at a little venue in Vancouver a few weeks ago and it was sweet. Will definitely see again!
#2 would be Burial, I just got into his stuff recently but it's excellent, very groovy and deep ambient house with a lot of other genres at play:
Also related though not strictly house genre, Four Tet is excellent, this collaborative track is pretty sweet:
edit: Also I should mention, Spanish DJ John Talabot just released his debut full length album, definitely fits in this genre, I dig it:
edit again: you guys like deadmau5, so you will probably also love Moguai (german electronica/house DJ), he is on mau5trap label now:
his latest album is ****ing rad.