http://www.digevent.com/events/consumer/music/guitar_mania/index.asp look under show archives - live lessons fri 7pm EST
http://guitar.about.com/musicperform/guitar/library/blguitarlessonarchive.htm has theory and technique
http://www.wholenote.com/main.asp more lessons
http://www.zentao.com/guitar/guitar-site.html some of the most understandable lessons