On RefCan-L there was recently a call for a list of sites that reviewed electronic resources, and I have just received permission to reproduce that list here.
The Gale Group at
Publisher Information: Information Today Inc.
Research Buzz - (http://www.researchbuzz.com)
Charleston Advisor -- peer reviewed, subscription-based. http://www.charlestonco.com
Technology Electronic Reviews (TER) (http://www.ala.org/ala/lita/litapublications/ter/tertechnology.htm)
Resources include books, articles, serials, discussion lists, training materials, bibliographies, and other items of interest to librarians and information technology professionals. The topics covered may include, but are not limited to, networking technologies and standards; hardware and software; operating systems; databases; specific programming languages; management tools and utilities; technical project management; training and personnel issues; library perspectives; and research and development."
Current Cites (http://sunsite.berkeley.edu/CurrentCites/) from the University of California at Berkeley describes itself as "an annotated bibliography of selected articles, books, and digital documents on information technology."
Ariadne (http://www.ariadne.ac.uk/), a periodical from the UK, covers electronic resources.
"BIOME [http://biome.ac.uk] provides free access to hand-selected
and evaluated, quality Internet resources for students, lecturers, researchers and practitioners in the Health and Life Sciences.
Information Today's Link-Up Digital (http://www.infotoday.com/linkup/default.shtml) "is a new, biweekly updated, Web-only section featuring articles, reviews, and more for savvy users and producers of electronic information products and services."
Some disciplines publish online journals that offer reviews of electronic resources specific to that discipline's domain, for example, Early Modern Literary Studies: Reviews of Electronic Resources
You can find others by searching for these titles on Google and then clicking the "Similar pages" link.