Popularity searches:

• Direct Hit     Finds the most popular sites.  If a lot of people go there, maybe it's worth a look.

The rest:

• TopTen Links:  Sites ranked by popularity. Often very useful -- for example, what are the best map sites? Dictionary sites?
  
  
  
• WebsMostLinked.com
  
• Official Search    Finds only official sites.
  

JNet's Main search page