Bruno Giussani of Lunch over IP is blogging Reboot8. As with his rundown of TED2006, the session summaries he provides from Copenhagen are helpful at uncovering the ideas a play. Media hacking, "bit literacy," Karl Marx (yes, that Karl Marx) are on the table. JP Rangaswami's thoughts on cultural development - anthropology - must have also been interesting, particularly since they come from a banker.
Like Ben Hammersly, who spoke on being "how to be a Renaissance man," I think we're living in exciting times.