I wholeheartedly disagree. E85 is totally worth it in a boosted application if it is readily available and the car is tuned/modified to run with it. I have DD'd an E85 car for the last 4 1/2 years. It makes way more power than it could on pump and has the safety factor of high octane.
2012 Focus Titanium
2002 Camaro SS, waiting for new turbo...
2005 Neon SRT-4, Big wheel stage 3, E85