Check out the March/April 2011 issue of Zymurgy - it talks about "shortcuts" to making sour beers. I haven't tried this myself, but it might be something you might want to try if you want to get your sour beer pipeline started quickly while waiting for the "real deal" to mature.
The Fiesty(sic) Goat Brewery est. 2007 & Clusterfuggle Experimental Ales est. 2009
Primary: Brett Saison, Brett Berliner Weisse, sLambic I, sLambic II, Pils, Dunkel, Oud Bruin
Secondary: Flanders Red I, Cab Merlot
Kegged: Porter, Scottish 80, Pils, Orange Blossom Mead