Do you have any aversion to being run over by a bus?
MSFT seems OK with tossing users under the bus. I've been to the trade shows and sadly I see BB as the dead man walking. The likelihood of current units getting BB10 is slim. The company is a shadow of its former size and if I were to place a bet, only new devices will get BB10. (Bus rounds the corner to take out BB users.)
The Galaxy S3 players are nice. But some want Jelly Bean.