Its been done: http://openpandora.org/ http://openpandora.org/ .. and its getting a new revision: http://www.pyra-handheld.com/ http://www.pyra-handheld.com/

Its been done: http://openpandora.org/ http://openpandora.org/ .. and its getting a new revision: http://www.pyra-handheld.com/ http://www.pyra-handheld.com/ This is exactly the device you describe - powerful, complete, can be used in Desktop or handheld (or embedded) modes, open source, open community, no walled gardens or other limitations placed on developers ..