I think I've posted some of these in the past, but here are a few sites I've come across that I visit frequently...
*Scott Kelby's Photoshop Insider Blog. Scoops, tips, and comments on Photoshop.
*The Pioneer Woman--Ree Drummond. Free Photoshop Actions designed by Ree and just an overall awesome site!
*Pop Photo. Popular Photography Magazine's online site. Sign up for the newsletter.
*Rangefinder. Sign up for their free magazine (click on Subscribe at the top). Great articles in a nice, glossy mag.
*Digital Photography School. Photo tips and tutorials, cameras and equipment, and post-production sections.
*Stock Xchng. Free stock photos. Find textures and other images for Photoshop use.
*Photoshopmama. Great YouTube tutorials on Photoshop editing techniques. I am also subscribed to Tutvid tutorials.
*DIYPhotography. Do-it-yourself tips and tricks for photographers.
*Pandora. Can't edit without music? Me either. Make your own free radio stations here. My recent music of choice--Bluegrass. Random, I know.
Let me know some of your favorite sites so I can check them out!