Today we got two new casings which we ordered from http://www.beta-prototypes.com/ some week ago:
We were very satisfied with the result. To have the casings printed we pretty much just uploaded the PCL-files, selected a color, submitted the order, and a week later the casing dropped down in our mailbox. The price was around €100 for the two of them. Also the ABS plastic gives a very reassuring impression compared to our old casings printed in some unknown plastic.