Safari Tech Books Online (PennKey required for access) offers several books on web design topics such as HTML, CSS, Javascript, as well as at least one Dreamweaver-specific book, "Dreamweaver CS3 The Missing Manual"

Free 30-day trials of most Adobe software, including Photoshop, Dreamweaver, and Illustrator.  Great to try a piece of software before commiting to buying it, and great if you're working on a project and don't need more than 30 days to complete it.

open the brushes palette from the Window menu

The new browser-based version of Photoshop.  No need to install software.  Currently free while in Beta.  Requires a free registration.

Upload and store 2GB of photos for free.

NOT for the easily offended.  In each episode (4-5 minutes), Donnie Hoyle teaches tricks in Photoshop while insulting the viewer and droning on about how much his life sucks.  If you're watching at work or around children, be sure to wear headphones.  :)

Notes

Please let me know how you liked (or didn't like!) the class!

Excellent tutorial from Rutgers University.