Search Engine Watch
In June 1997, I (Danny Sullivan) launched Search Engine Watch. It contained all that "A Webmaster's Guide to Search Engines" had, plus it was more accessible to search engine users. The site remained grounded in the technical. How do these things work, or more specifically, how well do these things work. It also remained committed to tracking search engine news, important changes, and providing quality information about these important tools.In Nov. 1997, Mecklermedia acquired Search Engine Watch.
http://www.searchenginewatch.com/

Search IQ, ZDNet's Portal of Search
SearchIQ provides independent reviews and rankings to help you make informed choices in selecting search tools. SearchIQ objective is to help you find what you are looking for quickly and effectively. Save yourself hours of time and read the reviews and resources on this site. SearchIQ operates independently from any of the search engines and directories.. http://www.zdnet.com/searchiq/

Search Engine Showdown
The users' guide to Web searching, compares and evaluates Internet search engines from the searcher's perspective. Developed originally as a way to keep track of the search engines and share that information, the site has grown to include: Search engine features chart; Detailed search engine reviews; An online newsletter; Statistical analysis; and Search strategies.
http://www.searchengineshowdown.com/

Traffick
Our mission is to search out portal features and tools and provide the user with timely, informative and helpful analysis on the world of portals. We are here to help enhance your Web experience. We're here to make the Web a smaller place.
http://www.traffick.com/