Specialty Search Engines

Here is a nice thread at Search Engine Watch Forums based on an article by Mary Ellen Bates named Searching for Quick Answers To Odd Questions. I'm just going to list the Specialty Search Engines below as a reference:

Refdesk: good for answering factual questions
InfoPlease: good quick fact database
Statistical Abstract
of the United States: US Census Data
HowStuffWorks: this is great when you want to know how to build a toaster or something
Internet Movie Database: Movies
Quotations Page: quotes
Librarians' Index to the Internet: what it says
Snopes: Urban Legend References
Scirus: The Science Search Engine
Internet Archive: archive of historical websites
FindLaw.com: Legal Information Resource
SingingFish: Owned by AOL (i think) streaming audio or video search engine
Find Articles: Article Search Engine
eBizSearch: By IBM academic and commercially e-biz articles search engine
Search Systems: Free Public Records Directory
Cite Seer: Computer and Information Science Papers