Some of my personal favourites are:
DSLR focused sites:
- www.dpreview.co.uk - great for latest reviews
- www.dslrnewsshooter.com/ - great for the user of HD Video capable cameras (like Canon 5D Mk III and Nikon D7000)
- www.amateurphotographer.co.uk - great for latest news and competitions; for all skill levels
- www.digitalslrphoto.com - plenty of news, reviews and members galleries
- www.dslruser.co.uk - site of photo mag of same name. Plenty or articles, reviews and news. Good forum.
User galleries and communities:
- www.redbubble.com - you can start your own group(s), have your own gallery and sell products with your own images.
- www.zazzle.com - not just photography but you can make money from selling products using your images
- www.photo.net - galleries, forum and learning resources
- www.dphotojournal.com - members' galleries, forum, tips and reviews
- www.ephotozine.com - the friendliest photography community
- www.lenscraft.co.uk - great site by photographer Robin Whalley
- www.learndigitalphotographynow.com - Free Digital Photography Tips And Tricks
- http://www.photography-tutorials.net - free online tutorials
These are just a selection of the many sites out there. Of course, the major manufacturers also have learning resources on their sites so they are definitely worth checking out. You will no doubt come across other sites and if you think they are worth sharing then please do so via the comments for this post.