My wife's 5D MkII, shot with my 5D MkII.
35mm f/1.4 L
ISO 200 stopped down to f/2.5 @ 1/1250 sec.
580EX II high camera left with Westcott shoot-through umbrella on tripod @ 1/8 power
Triggered via PocketWizard MiniTT1 and FlexTT5.
Setup shot here with unsuccessful rim lighting with iPhone 4 flash.