Use 0.8.2+ if you are not a software developer.
Use 0.9 beta if you are.
Use 0.8.2+ if you don't have lots of hair to pull.
Use 0.9 beta if you have too much hair, and want to pull out lots of it.
Use 0.8.2+ if you want others to help you iron out the irks.
Use 0.9 beta if you want to iron the irks yourself.
Kapich ?