This is Strobist Info: Your Setup Guide to Flash Photography

One: Lights, Camera, Action

Or I suppose I should say, “Lights, then lenses, then a camera, then action,” but really, you could put the action anywhere in that equation. But to the point: the key to a happy pocket and jumping into flash photography is to seek after these items in the order listed. Invest wisely first in lights, then lenses, then gold, then cameras. When your priorities shift from drooling after the next big camera to buying more flash speedlights, you won’t regret having that extra light or two in your bag. Also, if you caught that gold reference, good on ya.

Of course, this is easy for the guy who’s already jumped into debt buying really expensive cameras and lenses before even considering buying a flash. Nevertheless, were ...