Filed under: Cellphones, Digital CamerasWe've seen 10-megapixel cameraphones. We've seen 8-megapixel cameraphones. But if you've been holding out for that oh-so-elusive 9-megapixel cameraphone, the wait is just about over. Digital Imaging Systems (DIS) has chosen Photokina 2008 to reveal its 9-megapixel (CMOS) DIS6931 camera module for mobile phones, which provides features such as auto-f