Seasonic/Corsair (Corsair PSUs are often rebranded Seasonics)
Be Quiet
Enermax
Seasonic, Corsair, or Be Quiet should all do well. Of the three I would probably go with the Corsair because it's 80+ Gold and I am familiar with them than Be Quiet.
Seems to be to do with the sleep state. News to me but sounds like he is on to something.http://techreport.com/review/24897/the-big-haswell-psu-compatibility-list
Haswell compatibility is just marketing propaganda.
"Second, this unit brags about being Haswell ready. I've talked about that before, but just to repeat myself this is a non issue for any power supply."