The impression of MySQL is light weight and fast,
the reputation of PostgreSQL is full featured.
Business chooses PostgreSQL is bacause PostgreSQL is close
to database like Oracle, reliable but without cost.
To compete with MySQL is not a good strategy, IMHO,
PostgreSQL needs to focus adding features such as
table partitioning like Oracle, needs to improve
the performance of subquery, etc. Those lack performance
features are the choke point (it's easy to get better performance
for a big table [~100 million] with partitions in oracle than
postgreSQL; it's a nightmare, a mess for using subquery in postgreSQL,
I can't wait 7.4's smarter on this).
If you really have a super product, don't you
worry user will not switch to it with no cost?
just some thoughts ...
johnl