for those wishing to migrate data from any previous release.
Major changes relative to 7.4.x:
* Savepoints
* Point-in-Time recovery
* Tablespaces
* Improved buffer management
* ALTER TABLE column management improvements
Full list of changes is available at:
http://www.postgresql.org/docs/8.0/static/release.html#RELEASE-8-0
Also note that PostgreSQL server listens also on localhost (127.0.0.1)
by default now.
