We'd heard sweet, sweet rumors that RIM would include a Java virtual machine in the BlackBerry PlayBook and even bring Android apps on board -- and lo and behold, Bloomberg's corroborating those claims with no fewer than three anonymous sources. Where the new rumor diverges is that the Dalvik virtual machine used in Google's OS reportedly won't be part of the formula; RIM considered it, these sources say, but decided it didn't want to get involved in the Oracle / Google legal fracas. Apparently, the company's working on this secret project in-house and targeting a possible release in the second half of the year. We have to say, the ready avail