I personally think we should save the Dragon for Thursday morning when we're all fresh. We'd have been in the car for around 10 hours by the time we hit the Dragon. Not to mention our cars will be loaded down with grills, beer, and a bunch of other crap.
The main thing is we aren't going to take 11 through Bristol like we did last year. Instead we'll stay on 81 and come down on 23/26 (the same way me, you, and Amar went back last year). This will be faster and the only time we'll ever see stop lights is when we exit the highway for our rest/fuel stops.
The route I have on the first post is just easier and less can go wrong with that one, IMO.