Nikon SB-800

GN: 125 (with zoom head at 35mm) 174 (with zoom head at 105mm)

durations1/1050 sec. (full power);1/1100(1/2); 1/2700 (1/4)

power source: 4 ‘AA’ batteries, SD-7 battery pack or SD-8A battery pack

plug: PC type

size: 2.8″ x 5.0″ x 3.6″

price$370 (eBay)

pros: Very fast duration, relatively powerful, compact size

cons: Expensive

overall: Comparable to a Canon 580EX flash. Used by a lot of skateboard photographers.