I am getting a nice pop out of my tobacco flavors by adding a tiny bit of Red Cola to the mix. Believe it or not, the two really go well together. 1% or less cola will do. You can barely taste it, and yet it gives the tobacco an earthy, robust flavor. Who knows, maybe I will start using it as a substitute for tobacco absolute. It certainly has more flavor than some of the TA's I have tried.
I've been thinking about that cola thing and can see it adding an interesting twist as far as mouth feel. I'm tempted to try it just for the fun of it... I don't think it would ever work for me as far as a substitute for TA.