Alternative search engines or special finders
Bing, Google and Yahoo you already know. But there are others.
DuckDuckGo Plus by DuckDuckGo
eBay by eBay
Mamma-Search by Mama Search
Omnibar by Ajit K
StumbleUpon by StumbleUpon
Twitter Address Bar Search by Twitter, Inc.
Web of Trust - WOT by WOT Services
Find any of the above with you favorite search engine.
What is your favorite? Why?