So far:
http://www.cio.com.au/article/384968/open_source_postgresql_9_1_beta_released/
http://lwn.net/Articles/440666/ (subscriber-only content)
http://www.databasejournal.com/features/postgresql/article.php/3932351/PostgreSQL-91-Gets-Synchronous.htm
-- Josh BerkusPostgreSQL Experts Inc.http://pgexperts.com