In retrospect, this revised talk by Michael Tamblyn from Shortcovers at TOC Frankfurt was one of the most positive and enjoyable! Thankfully following some pressure on Twitter and such like, he put it up on Blip.tv! You should watch it!
This is a very clever post on building a channel (read niche if you will):
Here
Mike Cane on Apple’s long term strategy for ebooks! You’ll like it:
Here
Eoin Purcell's Blog 
Excellent talk by Mike: very thought-provoking, very reader-centered and publisher-friendly.
Now, time to convert all our books in to every available format and add synchronised audio!