Might you be willing to share any specific information on the shots you displayed in your 2/24/13 Post #961?
Simply STUNNING photography, looks to be very very high shutter speed (1/1000th?) yet fairly open aperature as well.
Please share your equipment and settings.
Nikon D7K, 50mm f/1.8, 85mm f/1.4, 70-200 f/2.8, 17-55mm f/2.8