That's really like asking what's the best place on earth to live. Everyone's situation is different and there are far too many variables to give recommendations. My suggestion is to look at the pay scales, the ones with bases closest to you or ones you'd be okay moving to and then read everything single post in every thread about them.

Bonus answer: all of them are required, by law, to give you military absenses without retribution. I don't know that any have better perks than others.