5 great blogs covering Internet searching, search engines, and search tools for searchers, researchers and librarians

1. ResourceShelf
2. Phil Bradley: http://www.philbradley.typepad.com/ [blog] and http://www.philb.com/ [web site]
3. Researchbuzz
4. Search Engine Watch blog
5. LibraryClips

For more on the above: http://www.pandia.com/sew/category/pandia-top-5/

see also: Pandia Search Engine Detective has more links to library and research related blogs and sites (right hand column).