On Thu, 07 Feb 2008 21:50:40 GMT, gA wrote in
Q2Lqj.3231$Ly.2346@pd7urf1no:

I would like to find out pros and cons of installing CHDK on my
S3. Could you please direct where? And if I change my mind after
installation, could I go back to what I had originally and be sure
that nothing is screwed up? Thank you.

http://chdk.wikia.com/wiki/Main_Page

--
Best regards,
John Navas
Panasonic DMC-FZ8 (and several others)