The Boxee project has come a long way from its humble origins as a fork of the Xbox Media Center, bringing easy video playback and a couch-to-screen UI to the Mac, then later to Windows and Ubuntu, and now to the company's own dedicated Boxee Box hardware (soon to support live broadcast TV). There's a solid ecosystem of app developers making themselves at home with Boxee.
The company is releasing version 1.5 of its desktop app for Mac, Windows and Ubuntu this week, featuring many of the improvements that will be appearing in the Boxee Box firmware early next year, but there's a caveat. This will be the final release of Boxee's desktop build; future development efforts will be focused on the Boxee Box hardware and on tablets