A month ago, pg_resetxlog got an -f flag:
-f force reset xlog to be done, if the control file is corrupted, then try to restore it.
However, the patch had identifiable problems that are still not fixed:
http://archives.postgresql.org/pgsql-hackers/2006-05/msg00013.php
Unless these problems are fixed in the next few days, the patch will be
reverted.
-- Bruce Momjian http://candle.pha.pa.us EnterpriseDB http://www.enterprisedb.com
+ If your life is a hard drive, Christ can be your backup. +