pgsql and sql-relay

Has anyone on this list used sql-relay with pgsql?  If you're not familiar
with it, you can find out more at:
http://www.firstworks.com/sqlrelay.html.  My primary interest is to reap
the benefits of connection pooling on an Apache/PHP/PostgreSQL
configuration.  We're setting up a farm of webservers to talk to our DB, if
we use PHP pooling, we may end up with thousands un-needed open
connections.  Sql-relay looks a bit involved to set up - but just may be
worth it.

TIA

-Ryan Mahoney
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