Sorry for the pictorial hand history -- it is all I have.
Blinds are 1600/800/200
If I overlimp, the blinds can shove over top -- I would still call, but then it is multi-way
If I raise to isolate, and get called, I can CBet the flop, and perhaps get a weak 
to fold
If I bet the flop and get check/raised, I'm still in the tournament,
So what is the best way to play this -- or is the shove OK?
In this case you playing a little bit more than 12bb and than is QQ a easy shove or 3bet shove on the BTN. This time you deal with a early limp, but with QQ I would never over limp, because than you end up multi way to often and than you get most of the time a tricky post-flop situation. if you had like >18bb you could think of isolating with a 2,5-3x raise, but that's not the case in this hand.
Cheers,
SDK1987
