Nielsen has its own angle on the smartphone numbers game out today, and the results vaguely resemble the numbers from Canalys. Perhaps more interesting than the ever present market share tug-of-war (Nielsen pegs Google, RIM, and Apple at 27 percent, 33 percent, and 23 percent in sales to new smartphone subscribers, respectively) a note on brand loyalty turns out ugly for BlackBerry: while 89 percent of iPhone owners plan on getting another iPhone, and 71 percent of Android buyers plan to re-up, only 42 percent of BlackBerry owners plan to stick around. The defectors are pretty evenly split, with 29 percent planning to go iPhone, and 21 percent to go Android. That compares to 2 and 3 percent in the iPhone and Android camps planning a move to BlackBerry. We'll see if BlackBerry 6 can solve this little problem for RIM, but the few tweaks we've seen so far seem hardly capable of stemming the flow.