Ozone Asylum  
   Where digital artists meet and exchange ideas. Advanced techniques.
   http://www.ozoneasylum.com/

Savva Photoshop  
   Home of the latest PhotoShop tutorials, discussions and tutorial suggestion. Over 2000 members, with daily tutorial updates plus new ones every week.
   http://www.savva.com.au/

Photoshop Cafe  
   Specializes in illustration and pre-press techniques.
   http://pub37.ezboard.com/bphotoshopcafe25365

Designs by Mark  
   Answers to basic questions.
   http://pub2.ezboard.com/fdbmforumphotoshop

Official Photoshop Forum  
   Adobe's official Photoshop forum. Expert help.
   http://www.adobe.com/support/forums/

Computer Arts  
   Official forum of Computer Arts Magazine. Help with advanced questions.
   http://forum.computerarts.co.uk/

SitePoint  
   Answers to advanced questions. Tutorials for web and print.
   http://www.sitepointforums.com/forumdisplay.php?s=&forumid=8

Team Photoshop  
   Basic and advanced questions answered. Graphics reviewed.
   http://www.teamphotoshop.com/forum/index.php

Photoshop Guru's Handbook  
   Help with intermediate questions. Graphics collaboration and review.
   http://www.photoshopgurus.info/forum/

Yahoo! Groups : Adobe-Photoshop  
   Group helps each other with solving problems, report and discuss bugs, and provide each other with knowledge and tips. Open membership and unmoderated, archives for members only.
   http://groups.yahoo.com/group/Adobe-Photoshop/

Yahoo! Groups : Photoshop-Haven  
   Caters to the discussion of Photoshop, its plugins, and all aspects of digital design, image creation and image protection. Restricted membership.
   http://groups.yahoo.com/group/Photoshop-Haven/

Graphic Forums  
   One of the best places on the web for graphics collaboration and Photoshop Battles.
   http://www.graphic-forums.com/

CarChopperz  
   Forum for those that enjoy using PhotoShop to edit car images to change their appearances (Chops).
   http://carchopperz.viper007bond.com