EDIT: here is a link to the 2006 Cannes Lions winning commercials...check out the Gold, Silver, and Bronze winners for some serious procrastinating...including these very cool VW ads with animated rabbits that act out entire films like Pulp Fiction, Jaws, and Star Wars in less than thirty seconds.
I used to work a rep movie house back in my university years...you know, the one that played the latest greatest foreign films or the cool independent releases - but my fav was always the yearly complilation of World's Best Commercials from Cannes.
Like telling a great joke or a powerful short story, commercials have to engage immediately and deliver the goods with punch and precision...in a way, almost seduce you. And even though ads are ultimately about selling a product, they can be as creative and funny and entertaining as any good episode of your favourite television show (albeit in shorter doses).
Here's a few interesting ones I found...
Did any work for you? What makes a good tv ad?