Hi,
We have now uploaded our full ChipKIT challenge video. For the background on this, have a look at our previous posts,
http://wattcircuit.com/2012/03/10/chipkit-challenge-update/
http://wattcircuit.com/2012/03/27/chipkit-challenge/
And our DesignSpark blog page,
http://www.designspark.com/node/78713