One other thing, Kevin Sullivan told me recently that he has been printing on matte board. It has to be unbuffered board, but it does end up having a good smooth surface to it, and it typically will not separate in the wash as most people would expect.
I tried it, but I ony have buffered board on hand, and the results weren't too good.
I'm not a big fan of the texture that many papers will produce, so I am also on the lookout for the best, low texture paper that seems to make a good print.
One nice thing about matte board is that you can get it in many, many colors, so you can be very selective about the base color you might use.