Dude get a lightly used Cobalt SS/TC or wait for the 2013 Cadillac ATS 2.0T. Trifecta is already pretty set on buying the 2013 ATS and I think I'm trading in my 2010 Cobalt SS for it. They will come E85 ready and the engine is 13% more efficient than the LNF in the Cobalts. With just a catless downpipe and a E85 tune we got our Solstice GXP (LNF powered) up to 380RWHP and 404RWTQ. The caddy will also be rwd with a M6. Oh and did I mention CUE?! OMG.
Check out the story of how they designed it, this link is to the first video, but watch the series. I can't wait for this car to come out.