Favorite links:
Astronomy Picture of the Day - A site that makes you realize just how small your problems really are in comparison with the cosmos.
Autopope Zone - the home of Charles Stross, author of "Singularity Sky," and a unparallel talent in science fiction and, just perhaps, the most gifted seer of the future.
Craphound.com - home to another top visionary science fiction writer, Cory Doctorow, who writes extensively about the coming singularity.
HotWired - A hip and valuable hi-tech news source that is sometimes too sensational in their coverage.
Marvel Comics - Home of coolest superheroes in this or any other universe!
MIT's Technology Review Magazine - An interesting information source for cutting-edge technologies.
New Scientist - Leading weekly science magazine in U.K.
New York Times: Technology - Hey, these folks get most of the hi-tech news first.
PC AI Magazine - An excellent place to read about the practical applications of artificial intelligence (Full disclosure: Yeah, I'm their senior technical editor ;-).
Salon - Sometime a bit too hip, but always has interesting perspectives on hi-tech news.
Scientific American - offers a showcase of breaking scientific news stories, along with feature pieces.
The Mercury News - Info from inside the information revolution.
WinInfo - Paul Thurrott simply provides the best source of inside info about Microsoft.