It isn`t all that hard. I just started my first build and it`s easier than I expected. The hard part is just deciding to do it. Taking apart a perfectly good camera isn`t natural.
Here are 2 videos on how to do a P32 hack.
http://www.youtube.com/watch?v=2iKYIQMHllE
http://www.youtube.com/watch?v=vxQkK...eature=related
Here`s a PDF file that tells what to do and has pictures. It`s for a P32, also.
http://bfoutdoors.com/PDFS/Sony%20P3...wer%20hack.pdf
There are a bunch of cameras to use, but, most would say that the Sony P32 is, probably, the easiest.