The Learningtools site from Faculty of Arts Instructional Support at the University of British Columbia has some interesting looking tools. In particular, I noticed:
This tool addresses the problem of re-usability of student interactions in WebCT Discussions, and allows an instructor or a student to export a fully threaded discussion object from WebCT for re-use in course content, analysis/research, ePortfolios, recordkeeping, etc. [www.learningtools.ubc.ca – Discussion Extractor]