The naming game: PostgreSQL or Postgres?
It has been discussed several times. Our "official" name is PostgreSQL, but now many many developers/users call it "Postgres" (Not Postgre!).
Actually, I like "PostgreSQL" more than the other one, but I am not against calling it Postgres. But at some point, we should stop calling our database with two different names.
Since Postgres is the preferred word among many developers, I suggest to change our name from PostgreSQL to Postgres in near future... Maybe just before 8.3...