I won't DD a turbo car without it any more. It is so much better. Now, if you have a car that can't run it because of no way to tune or way to mod fuel system, or you live where there aren't any stations that carry it then it wouldn't be worth it.
2012 Focus Titanium
2002 Camaro SS, waiting for new turbo...
2005 Neon SRT-4, Big wheel stage 3, E85