I added a few more links for you
My prediction
-MS announces the motion camera everyone hinting at.
-Alan Wake, Halo ODST and second Halo game are big first/second party focus.
-Talks of Forza 3
-Some new awesome looking XBLA game
-Rare announces more of their backlog for XBLA
-Look at the fall dashboard update
-Zune HD with more game capability, becoming like MS handheld.
-New Crackdown will be announced.
-Footage of FF 13
-Trailer for Ballad of Gay Tony
http://twitter.com/geoffkeighley/status/1985201213
So MS conf has been moved up 5 mins so guess got last minute word on a trailer