Just in case anyone is interested, our Goldilocks 1284p project is now fully funded, and we've already produced a prototype board for testing.
http://www.pozible.com/project/18609 As I write this there are less than 12 hours on the clock, before the window is closed.
Thanks again to all those who have participated. Its great to be able to build what, I think, the Arduino family lacked.
Once the Pledges are fulfilled the design files are Creative Commons. Or perhaps a manufacturer may take them up.