Six months and 150,000 signups later, boxee is preparing to move from alpha to beta status, ready to drop any unsent invites on all interested parties by the 25th ahead of the open alpha period starting January 8, 2009. While OS X / Apple TV / Ubuntu have been the required attire so far, Windows users won't be out in the cold much longer, as CEO Avner Ronen revealed in comments on the boxee blog that the Windows alpha program will start "early 2009" with thousands of invites sent out every week. That enough to pique your interest in this media streaming set-top box software?

[Via A VC]