On Nov 11, 2010, at 6:26 AM, J.D.Gravestock wrote:
> I'd be interested to know if anyone is using a good marcxml to marc converter (other than marcedit, i.e. non windows).
If I understand your question correctly, then try Index Data's yaz-marcdump application which is a component of Yaz.  Once compiled and installed you do something like this from the command line:
yaz-marcdump -i marcxml -o marc file.xml > file.xml
 Yaz - http://www.indexdata.com/yaz/
BTW, say hello to James N. for me.
Eric Lease Morgan
University of Notre Dame