The keynote is only 1.5 hours away. So here are my official predictions for this year.
Definite
iLife 07
iWork 07
More details/demos on Leopard including possible release date
More details on iTV
Maybe
Updated models of computers/iPods (no specific models)
New displays (a maybe, but a very likely one that will most likely happen)
802.11n being included in products (already is in some, but support will become official)
Not gonna happen
iPhone (not yet at least)
HDTV (I doubt it)