I buy my coffee in bulk, when it goes on sale, and freeze the beans. I grind enough to last a week and put that in teh fridge. I have never, let me repeat, I have NEVER had a problem with the beans losing any flavor at all.
I have had a lot fo different coffees, with Kona being my favorite. JBM is good, but not good enough to command that amount of money from me.
I am not a coffee snob or afficianado, this is just my humble experience.
Matt