Looking over the list here, I'd call out a few specific things that are important to me: * HStore, the key-value store column type * PGXN, still new, but going

Looking over the list here, I'd call out a few specific things that are important to me: * HStore, the key-value store column type * PGXN, still new, but going to change the world * Replication that Actually Works For Real No Kidding. * Window functions, which are a total brainf*ck but once you internalize them, indispensible.