High-End DSLRs information

Ken Rockwell's site stays abreast of new digital SLR camera models, with useful comparisons that cover the whole price range.

Ron Galbraith's blog is another way to stay current on the latest digital SLR camera news.

Forums at DPReview.com and at Photo.net cover topics of interest to digital SLR photographers of all levels of experience and skill.

Although The Luminous Landscape is aimed at landscape photographers, the reviews and articles here are useful for any photography enthusiast or professional.

For advice on building an SLR lens system, including the pros and cons of Canon and Nikon lens systems, see Philip Greenspun's article at Photo.net.

Bob Atkins also provides expert advice on SLR lenses.

Digital Photography School offers a brief comparison of full frame vs. crop sensors, and a separate article about crop factor.

Manufacturers' Sites:

Canon

Nikon

Sony