Camera Hacker - Tips, tools, hacks and reviews make this site a great resource.

DIY Photography - He started this site, as an amateur photographer, who needs studio equipment, but can't always afford to buy the expensive, branded top quality studio stuff that you can find on photo equipment stores.

Photocritic - Photocritic is a great site devoted to all things photography. The author does photo critiques and writes about nearly every other aspect of photography.

Photojojo - They publish an insanely great newsletter on photography. More specifically, they scour the internets, rip pages out of magazines, ransack their friends' closets, and go through dumpsters to find the very best Photo tips, DIY projects, and Gear.