www.fredmiranda.com – Mostly Canon equipment users, but has a great critique board and a very active buy / sell board.
www.luminous-landscape.com – A tome of a website. Loads of tutorials, essays, reviews and the like. www.robgalbraith.com – Has the best database of CF, SD and other storage cards and their reviews. Good forums which seem to have quite a few pros regularly using them
www.outbackphoto.com – Has regular, in-depth articles on different types of photography and equipment.
www.dpreview.com – The busiest forums on the net – filled with both good and bad. Some of the best camera reviews.
www.tawbaware.com/maxlyons - One of my favorite panoramic photographers. This site will link you to many other important panoramic sites.
www.naturephotographers.net – Good resources and forums.
www.cathysprofiles.com – Very reasonable profiles for digital printing.
www.americanframe.com and www.pictureframes.com – Both have great deals on frames. www.whcc.com – Good printing lab in the Twin Cities
www.retouchpro.com – Probably the best photo retouching / alteration site around.
www.inkjetart.com – Good source for inkjet supplies, as well as reviews of different papers, inks, etc.