Not cherries exactly.. but I intend to make use of a Rumtopf next year... just do a search on the web & you'll see exactly what I mean. Here is an example :
http://www.hopshopuk.com/recipes/rumtopf.html (NB I've not used this company so this is not an endorsement of their service etc)
Indeed most homebrewing establishments will be able to supply the proper pot.
Derek