Kelby Media Group is publishing a lot of great tutorial content in a variety of areas. Here are some of the ones you may have missed.
NAPP is an organization dedicated to teaching people how to improve their use of Photoshop. Membership includes 10 issues of PhotoshopUser Magazine, access to hundreds of discounts, and access to the members-only website, with thousands of tutorials and product reviews, updated with new content every week. Here are a couple examples of tutorials at PhotoshopUser.com:
For more information about the benefits of membership in NAPP, visit this page:
Corey Barker is world-class Photoshop artist and instructor who writes a blog at PlanetPhotoshop.com. Corey posts weekly tutorials which focus on graphic design techniques. Corey also teaches the 3D tools found in the most recent versions of Photoshop. Check out these tutorials at PlanetPhotoshop.com