It all depends. If you buy used you could probably find one pretty cheap. If you want to get it rebuilt expect to pay out the arse. It is buyer beware on the used case as I found out the hard way when I went to get a supposedly good used case. I paid $125 and got junk. The case I bought was worse then the case I had.
I got fed up and just rebuilt my case myself. I have only had it going for about a month on the rebuild, but it survived its first fourwheeling trip last weekend.
The 208 isn't that hard to rebuild. If you have mechanical ability, time, and patience you can do it. No special tools required.
Harley