They are generally very short notice, like a day or two. Next time I hear of one, I'll try to remember to post here. You can also check their site: NOHO | Brews Brothers. They will post info on the share there.
It was fantastic! We ranged from a fresh Barreled Souls magnum to a 2011 King Henry and 2010 Black Tuesday. Other included a Double Black (26% ABV), a single barrel Bottle Logic stout and barleywine, and some great Fremont B-Bomb vintages. Although my memory starts to fade here, we also had a Zebulon stout, Tovarish from Beechwood, and a De Garre tripel from Bruges. I think it would be awesome to plan a bigger share well in advance and get as many BAs as we can!