List My Niche
A human edited directory and search catering to unique niche markets
http://www.listmyniche.com
Port Prophecy - Power Search
An all-in-one meta search site that allows the user to choose from hundreds of different search engines and directories to query.
http://www.portprophecy.com
Search Engine Colossus
Gain quick, efficient access to search engines from countries around the world with Search Engine Colossus - International Directory of Search Engines
http://www.searchenginecolossus.com/