A few new resources that look super useful:
RefSeek (rĕf-sēk) is a web search engine for students and researchers. RefSeek aims to make academic information easily accessible to everyone. RefSeek searches more than one billion documents, including web pages, books, encyclopedias, journals, and newspapers.

Reference Extract (aka RefEx or REX) is envisioned as a web search engine, like Google, Yahoo and MSN. However, unlike other search engines, Reference Extracts will be built for maximum credibility by relying on the expertise and credibility judgments of librarians from around the globe. Users will enter a search term and get results weighted towards sites most often referred to by librarians at institutions such as the Library of Congress, the University of Washington, the State of Maryland, and over 1,400 libraries worldwide. This grant will support planning for Reference Extract and building the foundation necessary to implement it as a large-scale, general user service.
