JP, are you building with a 900D or something?!
@mrk, yes, it is quite a beast but I have one right next to me and it is lovely. All that space!
I use a H110 setup with the same fans you do and I can tell you it is completely inaudible unless my ear is right next to the case
On the H80 when using Push>Pull you will always get some extra wind noise due to the nature of that configuration I guess. Once I get the H110 it will be push only so should be even quieter still.
Hmm Maybe the 700 is the one to go for...