Blogs I Visit:

• Daring Fireball, by John Gruber, a great Mac and design related blog.
• Fake Steve Jobs, by Fake Steve Jobs. He may have been outed, but he's still funny!
• The Squid Zone, by Mr Squid; a good friend and true Alpha Geek.
• My Boring Ass Life, by Kevin Smith, aka Silent Bob, not so silent.
• Wil Wheaton dot Net, by Wil Wheaton; (in exile; the original WWdN is still MIA)
• Indexed, by Jessica Hagy; cool funny drawings.

Useful:

• Wikipedia; a good first source, but be aware that it may not be perfect.
• Wiktionary; definitions galore.
• Wikiquote; good quote source.
• IMDB; lots of movie info; great for settling bets.
• Snopes; check any weird stories for truth here before forwarding them to all your friends.
• James Randi Educational Foundation; a good source for skeptical examination of so-called "woo woo" items.
• Ottawa Weather at Environment Canada
• Rotten Tomatoes; good information about current (and older) movies.

Neat:

• Astronomy Picture of the Day
• NASA Image of the Day
• Think Geek; cool stuff for the geek in all of us.

Apple related:

• Apple; first and foremost.
• Apple Canada web store; buy stuff!
• Mac Daily News; good general source of Mac related news.
• Joy of Tech; funny Mac related comic.

Web Comics:

• PVP Online
• Starslip Crisis
• Sheldon
• Dilbert
• Foxtrot (weekly, Sunday)
• Something Positive
• Midnight Macabre
• Aaron Williams
• Nodwick (weekly, Thursday)
• Full Frontal Nerdity (weekly, Thursday)
• Dork Tower
• Doonesbury
• Penny Arcade
• Irregular Webcomic
• xkcd

Science Fiction:

• Babylon 5 Wiki
• Firefly Wiki
• Star Trek Wiki
• Star Wars Wiki