On the show floor at NAB 2012 GoPro had more to show off than just a finalized version of its $99 WiFi BacPac and Remote Control kit we saw at CES, announcing a ProTune firmware update that should bring an all new level of quality to its existing HD Hero 2 cameras -- for free. Once it's released in the in the summer, the new ProTune mode will enable owners to record their video at a new 35Mbps data rate, and shoot at 24fps to more easily intercut it with other sources later. Also integral to
