According to the Ableton Live newsletter "Live 6 is scheduled for release in the third quarter of 2006. Complete information on Live 6’s specs, availability, and pricing will be made available this summer." If I get any news on features, I’ll make sure and post them.
Artist site: http://www.markmoshermusic.com
Host of Sonic Encounters Podcast: http://markmoshermusic.com/podcast/
Boulder Synthesizer Meetup founder and host: http://www.bouldersynth.com