Think Sony ain't serious about 3D? Think again. The Japanese giant has justed outed a new firmware for its ultra-slinky NEX series of cameras that purports to allow users to shoot 3D panoramas. Panorama stitching was already one of the touted features on these cameras, but with a little extra software magic they'll now be able to collect "depth information" as well. We don't know how strong a 3D effect you're going to get, but since this is a free upgrade and a new way to play with your toy, we suggest grabbing the firmware first and asking questions lat