The D70s is for portrait photographers who want manual controls.The fast flash synch speed is ideal for outdoor portrait photograph.the d70s is easier to control manually than the D50.The D70s is not as subect is in focus suited for action photography as the D20 or Canon 30D.The D70s is not worth the extra moneyif you dont intend to leverage its manual control.The fine colr control on the D70s allows for natural skin tones under a wide variety of lighting conditions.