A fretted 5 and a fretless 4. Both in very good prices, especially the fretless.
 
Here are the links:
http://cgi.ebay.com/5-String-Alembic-Epic-Bass-Great-Condtion_W0QQitemZ190260022097QQcmdZViewItem?hash=item190260022097&_trkparms=72%3A1205|39%3A1|66%3A2|65%3A12|240%3A1318&_trksid=p3286.c0.m14
http://cgi.ebay.com/ALEMBIC-EPIC-FRETLESS-BASS_W0QQitemZ220296455372QQcmdZViewItem?hash=item220296455372&_trkparms=72%3A1205|39%3A1|66%3A2|65%3A12|240%3A1318&_trksid=p3286.c0.m14