http://www.firestonebeer.com/beers/products/opal According to the their Facebook page it will be released this weekend (3/8) along with Feral One and Parabola 2014.
Big weekend for the guys out there in Paso. Feral One is pretty fantastic, and the Brett version of Opal (Lil' Opal) is quite good. Looking forward to all these beers.
Sour Opal is the best OPAL. But I'll give this a go anyway, though I believe their strength is with English style ales primarily.
Looks like Opal is headed to 12oz bottles. Between this, Funkwerks Saison, and Goose Island Sofie (along with Ommegang Hennepin), my small format saison needs are pretty much satisfied. Now, if we could just get some Boulevard and/or Brooklyn distro for Tank 7 and Sorachi Ace...