According to Kotaku, Harmonix will be delivering Rock Band 3 in time for Christmas:
Viacom President and CEO Philippe Dauman officially outed Rock Band 3, due for release this Chrismas, when it will “will innovate and revolutionise the music genre” all over again.
I know something I’ll be asking Santa for this year 
But will there be Christmas songs?
Probably not on the disc, but maybe some groups will release them via the Rock Band Network: http://www.rockband.com/news/rbn-music-store-goes-live
David´s last blog ..Rockin’ hard this xmas!
whoo! I’ve been practicing my guitar skills, even…. ^_~