While the Concord Mills theater is starting to show its age just a bit, this new location is pretty sweet. You'll still find that a few of the auditoriums are a bit small, but you also may get to see digital 3-D (saw the new Journey to the Center of the Earth) there, and the sound overall is better.
Also, the overall feel of the place is nicer - it's just newer, and feels like everything is just a bit newer. Of course, the location is a bit more inconvenient, and you only get your choice of 14 movies vs 24 when you're talking Concord Mills (or 22 when you look at Carolina Pavilion), but 14 is usually enough that you can find something to enjoy.