AgaricDesign.com

http://agaricdesign.com/

Lots of very helpful info about Drupal.

Aviary

http://a.viary.com/

Nothing short of revolutionary if it really delivers.  Browser based multimedia creation/editing.

Creating Search Engine Friendly Sites

http://www.thesitewizard.com/sitepromotion/search-engine-friendly.shtml

Simple ways to make websites more search engine friendly.

The Future of WordPress Themes

http://themeshaper.com/the-future-of-wordpress-themes/

Not only an interesting discussion of the possibilities for the future of WP themes, but also ends up including some very helpful links as well to theme development resources.

Top 10 WordPress CMS Plugins

http://www.blueprintds.com/2008/03/13/top-10-wordpress-cms-plugins/

I love it when other people have done the hard work of searching through WordPress plugins and then save ME the work by sharing their knowledge!

CreativePro.com

http://www.creativepro.com

Great web resource for all things graphic design, digital photo, print design, fonts, etc.

100 Free, High-Quality WordPress Themes

http://www.smashingmagazine.com/2008/01/08/100-excellent-free-high-quality-wordpress-themes/

The title pretty much explains it.