For all web design forums check out these sites we found useful
WEBMASTER TALK - Covering all issues with topics suggested by Website Designers and Web Builders.
WEB DESIGN FORUMS - Get your web design and development questions answered
WEBFORUMZ - Web Design and Website Development Forums
WEB DESIGNERS FORUM - A place for Website Designers to chat
WEB DESIGN FORUM BY WEB DESIGNERS - CSS, SEO Tutorials