Digital Camera HQ | http://www.digitalcamera-hq.com

Digital Photography Review | http://www.dpreview.com

Digital Camera Resource Page | http://www.dcresource.com

Digital Camera Reviews | http://www.dcviews.com/photo.htm

eDIGITALPHOTO | http://www.edigitalphoto.com

Foto Care | http://www.fotocare.com - high end equipment and information geared towards the professional.

How Stuff Works | http://www.howstuffworks.com - photography information is spattered around the whole site so you'll need to do a search to find what you're looking for.

Imaging Resource | http://www.imaging-resource.com/

The Photo Binbook | http://www.binbooks.com/photo

Photo Insider | http://www.photoinsider.com

Photorecovery | http://www.lc-tech.com - services and products to recover lost data/information including photos from removable media (compact flash, memory sticks, etc.)

Short Courses | http://www.shortcourses.com

Shutterbug Magazine | http://www.shutterbug.net

Shutterline.com | http://www.shutterline.com - community site centered on photography and photographers.

Steves Digi-cams | http://www.steves-digicams.com/

Wilhelm Imaging | http://www.wilhelm-research.com - this is a research company/organization that provides information on imaging, ink permanence, etc. to trade publications like PCWorld Magazine, Popular Photography, etc.