Hi All,
found this thread during a google search and not only found a great list of speaker tapes but also a super cool forum!
I love keeping a playlist of speaker tapes on my ipod. I have listened to Joe and Charlie, Mark and Joe and many more of the retreat type tapes (like a retreat in length anyway.) Thus far the most inspiring stuff I have heard is from Sandy B.
I look forward to continuing through the tapes mentioned here as well as joining in other discussions on the board.