Here are a number of Web sites that you'll find interesting and useful. The Web is a very dynamic place, so by the time you read this, some may be gone, and there will certainly be new sites to explore.
Photo reviews and a very active community of photographers.
Great info on this site, especially for Canon users. Full access requires a subscription.
Very active community of posters, and up-to-date product reviews.
An English site, with good reviews and updated news.
Devoted to nature and wildlife photographers, image critiques, forums, and monthly articles.
The home of the North American Nature Photographers Association.
Microsoft has several photo related web sites, this one is the best of the bunch and always has topics of interest to a wide variety of people.
Need I say more? I had to include my own site!