http://www.crn.com/sections/breakingnews/breakingnews.jhtml?articleId=60401366
Excerpt:
In an interview at LinuxWorld in Boston, Mickos acknowledged some MySQL-to-PostgreSQL movement, but shrugged it off. "They [PostgreSQL] absolutely try to be an Oracle replacement. We do not. We're here for new markets," Mickos told CRN.
This very much squares with what we're hearing at the booth at LinuxWorld.