We did wonder why RIM was acquiring infotainment specialist QNX Software Systems back in April, and today, according to Bloomberg, much of that mystery has been dispelled. Three separate sources are cited in a report claiming that RIM intends to run software built by QNX on its virginal tablet effort, the BlackPad. It's curious that the company is opting against upscaling its BlackBerry 6 operating system into the tablet space, though one of the sources suggested tha