> Do any of the third-party server
> solutions such as JReceiver have the problem?

I'm not sure about the other alternative server software, but jrec shouldn't have any indexing limits other than those imposed by the MySQL database on which it relies.

Though I haven't queried my userbase, I'd venture (conservatively) that some are indexing in excess of 20K tunes.

--Reed (http://jreceiver.sourceforge.net)