Read about something like this on http://image-sensors-world.blogspot.co.uk http://image-sensors-world.blogspot.co.uk a while ago - instead of saturating the CM

Read about something like this on http://image-sensors-world.blogspot.co.uk http://image-sensors-world.blogspot.co.uk a while ago - instead of saturating the CMOS when max brightness is exceeded, it just keeps going. Looking forward to seeing this commercialised.