Basically, Ernesto on the Singlespeed forums of mtbr.com is selling frames. It's got all the details you need at that link. 54cm, 56cm, and 58cm available. Black. 27.2 seatpost, 1 1/8" headtube, 120mm rear spacing, black powdercoat. Frame material is just listed as Cro-Mo (from the looks of it, double-butted). TIG welded. Unicrown straightblade fork with 45mm rake. Looks like a 75 degree ST and a 72 degree HT.
$299 with free shipping and a tube of Fat Kid soy lube.