Rock Band to strut onto 360 first?

Is Rock Band coming to the Xbox 360 first? Rumors abouta period of limited exclusively in place for Christmas fly, as the E3 rumor mill starts spinning.

Thislittle rumor wassparked by the appearance of an invite to this year's E3 Harmonix event on Wednesday, which appears to be missing a PS3 logo, while prominently displaying an Xbox 360 one in full and glorious Technicolor.

Wired magazine's Chris Kohlerhas jumped on thespeculationbandwagon, fueling his theory that the big MS may have wielded its corporate muscle to secure an exclusivedealfor theXbox 360 for the forthcoming big band social gaming behemoth.