The current top three:

> AdGabber
A remarkable online community of ad folks.

> AdCracker CD
Shameless self promo.

> GettyImages.com
Godzilla collection of quality film and photos.

Also great:

> I Have An Idea.
Interviews and ideas, but a bit difficult to read.

> Corbis.
Like Getty, but smaller.

> AdsOfTheWorld.com
Lots of ads, Easy to nav.

> AdRants
Insider marketing and ad news, with an attitude.

> Amazon.com
Creative books and annuals. Lots.

> Luerzers Archive
My favorite creative pub.

> Adverlicio
World's tastiest collection of online advertising.

> PSFK
Ideas, trends, inspiration.

> Spring Wise
Your daily fix of entrepreneurial ideas.

> Creative Cooking School of Las Vegas
Check out the 'Team Building' program.

> The Hidden Persuader
Eclectic Ad blog.

> BuildingBrands
Visit the Socrates of modern branding.

> AdFreak
AdWeek's very good blog.

> Adverblog
Some very cool ad & interactive ideas.

> Core 77
Industrial design super site.