>
> I'm more concerned though about the complete experience, i.e.
> postgresql performance on Linux vs Bsd vs Windows...
> Maintainability.. Stability... os tweeks that were really needed to
> make pg work well, etc.
Linux and FreeBSD is going to be your best bet. BSD is a little better
and dealing with very, very high loads. Linux tends (at least from my
experience) to be a little quicker. So it depends on your needs.
Basically if you stay with Linux (2.6 kernel) or FreeBSD (4.9+) you
should be rock solid.
Sincerely,
Joshua D. Drake