Thats sounds about right. I've seen cases of 120 for $150-160 at a few places. Fairly certain the $135 is around what they charge at the brewery as well. I bought a case there last summer, just forget the exact price.
Keg1: Belgian IPA
Keg2: Wee Heavy
Keg3: Vienna Lager
Secondary: Rye Wine, Gluten Free Saison
Aging: Bourbon Barrel Imperial Stout w/ Brett, 2009 Lambic, Kriek, Framboise, 2010 Lambic, 2011 Lambic