I am relatively new to the open source world, and don't really seem to accept the fact that somebody would be willing to pay for something like this. So will people really pay?
It always depends on your needs and project specifics. For someone this might be very valuable, for someone maybe not. Here in this blog post are many interesting opinions on this subject. "Is there a market for paid Django apps?": http://jacobian.org/writing/paid-django-apps/