PostgreSQL 8.4 has been released with its usual collection of shiny new features including Window Function support which means that you can now do OLAP with an Open Source database (How nifty is that!) All the other bits and bobs are listed on PostgreSQL 8.4 Feature List
"For mine is a generation that circles the globe in search of something we haven't tried before. So never refuse an invitation, never resist the unfamiliar, never fail to be polite, and never outstay your welcome. Just keep your mind open and suck in the experience, and if it hurts, you know what? It was probably worth it."
The Beach