Here's my setup. From top to bottom:

CCD-600 (Not Visible)
KnC October Saturn w/ two upgrade boards
Batch 2 Avalon
Server (running proxy software)
7GH Jalapeño (Not visible)
AntMiner S1 / 28GH Little Single
CCD-1000
Server Case with AntMiner S1 and 6-board megapower bitfury

~4.5KW for 3TH/s overall.