PC World Picks 100 Useful and Interesting Websites

2002 Best of the Web version is here.

The latest (2008) version, listed by category, is here.

Compiler Mark Sullivan offers the following caveat:

I've organized the sites in the list by the type of task they help you with. It is not a ranking; in each category I recommend sites that specialize in a different area than the others. I've also mixed in a smattering of sites that you might not use every day, but that provide ready answers to specific questions like "How can I learn to rumba?" or "Who should I vote for?" or "How do I make a wallet out of duct tape?"