I'll vote with the "no" team. The thing I love about my commuter is that I can drag it around town, load a few things on it, and still have some fun with it. I'm a bit of a trek fanboy and if I had your budget I'd go with something like this
http://www.trekbikes.com/us/en/bikes...land/portland/
But to agree w/everyone else, the bike you mentioned would go above and beyond your expectations. However, I'd be wary of mounting any type of luggage system on it (if you were to change your mind)