PC Magazine has listed their top 100 picks for web sites they feel you should know about for 2007.  The picks are organized into the following categories:

• Info, Reference, and Search
• Health and Food
• Lifestyle and Entertainment
• Money and Career
• Music 
• News, Politics, and Government
• Reading
• Shopping, Classifieds, and Travel
• Tech: Download and DIY
• Tech: Gaming
• Tech: Hardware News and Blogs
• Tech: Software and Internet Blogs
• Video
• Web Apps