Ditto. Be prepared to refill it as soon as it is empty. They will dry out and leak sooner than you think.
Our club did a barrel with barleywine, then refilled it with mead. Both the BW and the mead were outstanding. Each successive fill will be less oaky/bourbony.
A couple thoughts. The barrels will dry out if not kept filled. And the barrels will get populated with bacteria if not kept filled. Plan your next fill ahead of time so everyone can brew in time.
Have you have tried Scott's RIS from the Stranahans' barrels? It is dangerous good.