PostgreSQL 8.3.0 is finally released! See
Full text search, XML and UUID data types, ENUMS are amongst the fancy new features.
Of course they also threw in a bunch of performance improvements and tools to help you tweak the configuration, like async commit, HOT, and more.
There are updatable cursors now, but I guess that we don't get much effect from that until DBD::Pg can handle cursors.