Version 2.2.0 of pg_bloat_check.py has been released pg_bloat_check.py is a script that uses the pgstattuple contrib module to provide very accurate bloat statistics for both tables and indexes. Version 2.2.0 now takes into account an object's fillfactor setting to give an even more accurate assessment.
Available on github: https://github.com/keithf4/pg_bloat_check -- Keith Fiske Database Administrator OmniTI Computer Consulting, Inc. http://www.keithf4.com