It seems that folks hoping for the Apple's Camera Connection Kit to solve all their USB-related iPad problems just can't catch a break. First the kit was nearly impossible to find, and now we're seeing a slew of user reports saying that iOS 4.2 has made the USB portion of the camera kit nearly useless for many USB devices that were previously supported. As 9 to 5 Mac reports, the problem seems to boil down to the amount of power that can be emitted from the iPad's 30-pin connector -- it used to be 100mA, but iOS 4.2
