No offense, but it is just a bike. I have 2 Rivendells and a Soma I love dearly and use for all kinds of riding. I lock them up in all kinds of places, including downtown Boston/Cambridge/Sommerville when I have been there. I also use them in downtown Chicago which is a damn sight more dangerous than Boston. Record the serial number and a photo on your phone, get a good lock, eliminate the QR and park near one of the famous cardboard cops in town.
I figure I bought it and built it, I can do it again, it is just a bike.

Marc