Thanks outlaw, the super glue and heavier thread are something I will have to try.  I used to use super glue to attach fletching, and I never needed to wrap them, but I recently switched to fletch-tite platinum. It is a lot softer and easier to rework after it has dried, but dang it sure doesn't seem to hold then fletching said down as well. 
That, and I fell in love with the look of wrapped fletching.