Samsung hasn't shown off all of its new tech at MWC 2012 yet, but one more early announcement is a new "premium" cameraphone sensor, the 8MP S5K3H7. Its new 1.4um CMOS shown above features backside illumination (BSI) technology for better quality in low light -- just like the iPhone 4/4S camera and HTC's just-announced ImageChip -- as well as the promise of zero shutter lag and 30fps 1080p video all while using less power than previous generatio