I believe delar small burnett is the principle ingredient in the wintergreens mix. I planted a small 1 acre test plot this last year, not the wintergreens, but bought straight delar.
It's too early to tell how well it will do, it is a perennial and apparently takes a few years to get a real good stand. The deer have been using it late season, but with standing soybeans and corn around, it hasn't been getting hammered by any means.
Sorry I can't offer anymore insight, for me, the jury is still out on it.