Well not by choice, but I'm pretty sure my diff is gone in the Contour as of Sunday. I was at a stop sign and when I turned some wierd crap started happening and if you go to this link in Troubleshooting you can read the rest of the story:
http://www.contour.org/ubbthreads/showflat.php?Cat=&Board=trouble&Number=518637&page=0&view=collapsed&sb=5&o=7&fpart=1 Sucks to be me, I was really hoping on using that money elsewhere, though I'm sure there can be worse things then installing an LSD.
PDXSVT, did you ever get yours installed locally? If so can you give me then name of the shop. If not I think I'm going to have to go out on a limb and take my chances here.
