I agree, there are better alternatives available right now. For example, Capstone MicroTurbine last week announced the first megawatt microTurbine generator. Very interesting technology that this company is putting out.

Take a look at this video:
National Environmental Report http://video.google.com/videoplay?docid=-3502454773286351801&q=capstone+turbine&total=2&start=0&num=10&so=0&type=search&plindex=0