It only books $10-$15 but most named Mt. Dew bottles usually sell for atleast $15 on Ebay no matter how common they are. Still try and get them to knock a few $'s off.
I like the red headed bottles and have quite a few of them. Unfortunately, on the named bottles it doesn't really matter if it is red, white, or both headed. The no name redheads usually sell for a couple dollars more than no name whiteheads. I'd prefer a red head to a white head myself. lol