That sounds like the way to go. Could you ballpark how much it takes to get you to where you are now?
www.homepower.com
They are a bunch of tree huggers, but they have been building and testing all kinds of RE for decades. They even show you all of the federal and state tax breaks. My house isn't situated very well for wind or solar, but I intend to go that route for my next house.
I have considered a natural gas generator with an ATS, but to go off grid I'll need solar and/or wind.