Hope

I know we've been here before and left disappointed, but:

Crucell Vaccine successful in monkeys

The stories I've read slide around that SIV was the virus defended against, and the studies apparently ran for less than 1½ years.  Viruses potentially stay in the body forever, and killer white cells, AFAIK, aren't going to go into cells, rooting out HIV copies.  Nevertheless, this sounds really good.