I found this article:
http://www.serverwatch.com/news/article.php/10824_1126981_Ext
that is clear out dated, it's anyway a good comparison with
mysql.
Do you know if someone did the TPC-C test with
7.4.X version ?
Googling with: TPC-C Postgres
I also found this:
http://www.linux-magazine.com/issue/08/023-PostSQL.pdf
Regards
Gaetano Mendola