Arcanum has been, up until today, available in print form at DriveThruRPG. However, I have received a few complaints about the quality of the binding for the hardcover edition. Upon examination (and looking at the first few hardcover books I had printed from them), I have to agree.
After some experimentation with a few potential outlets, I have decided that the printing and binding of the book is of far better quality when going through Lulu. So this is where you should go if you are looking for a professionally printed and bound copy of the game.
Thanks! And let me know if you have any questions or concerns.