I don't know that much about AZO, but there is a paper that prints much like Azo called Fomatone. I don't have personal experience with this, but a friend of mine tried it and thought it was amazing. Plus it is a VC paper. And it is faster than Azo. Not as fast as enlarging papers, but maybe fast enough.
As far as enlarging on Azo, there is some talk of it at this site:
Aristo could make you a very blue/uv coldlight, but remember that much below 400nm and glass begins absorbing much of the light unless you are using fluorite lenses.