Two great web resources for Instruction/Education Librarians:

Resources for Instructors [ http://www.ala.org/ala/acrlbucket/is/projectsacrl/resourcesinstructors.htm ] , maintained by the Instruction Section of ALA/ACRL

Instruction Links [ http://www.emich.edu/public/loex/islinks/islinks.htm ] , maintained by the LOEX Clearinghouse for Library Instruction. (Thanks to Heather Brown for this posting-th)