After much faffing around (about a year since i started this particular folly) I have actually got a Beta version finished. WOOHOHOO!!!

Some videos to show what it does.

http://www.vimeo.com/1718065 :showing the bootloader in action (only changing the version number in this example)
http://www.vimeo.com/1718090 :Biofeedback 1
http://www.vimeo.com/1718106 :Biofeedback 2

Now just to polish the code and make up the final beta hardware…

Always something else to do