Don't hold your breath. A talking-head political scientist on retainer to a Houston TV station (a Democrat, academic variety but politically active too) pointed out that these flips between parties tend to be metastable and last a good while.
Twelve years might be more like it.
And frankly, I think the terorists are going to help us in this regard. They said today in a message to the whitehouse they are going to keep trying to blow up the Whiteouse until they succeed. As expected, this Democratic victory has and will continue to embolden them.