Indeed. Even if you have to buy 5 5 gallon gas cans or ship it back. You will always regret leaving all that power and SAFETY on the table. Not to mention if you have Seb tuning it, well.....DO IT!
http://www.ethanolretailer.com/flex-fuel-station-finder
Search state by state, you would be surprised. Looks like the only stretch that is iffy is west Texas(you are in texas iirc?). Remember, you can get about 250-300 miles with a full tank and a light foot.(I am being conservative with this number).