Web: Search Sites

I've been a dedicated Google user for a while, but there are some other interesting search sites to try:

• Amazon's A9.com
  
• The clustering Clusty.com
  
• Metasearching ez2Find.com
  
• Dallas-based and Mark Cuban recommended Icerocket.com
  
• Recent changes at Yahoo! look great

Here are a couple search resource sites:

• Google Help Cheat Sheet
  
• Search Engine Watch

And a couple shopping search sites:

• Google's Froogle.com
  
• eBay's Half.com
  
• PriceGrabber.com

Additional recommendations are welcome.

Category: Web