I have created a page that contains links either comparing WebCT or Moodle, or migrating from WebCT to Moodle, or other information. Please check it out at http://go-moodle.opencourseweb.net
Also see my paper published in Vol 2 of ACET journal at http://www.texasacet.org/ACET_Journal/ACETJournalVol2No1_files/FINAL%20open_new.pdf
I am giving a presentation on Moodle, details on : http://www.texasacet.org/2004conf/conference.pdf