http://www.planetside-universe.com/news-updated-planetside-2-in-the-works-2335.htm
Looks like either a scam to draw in more subscribers before the last server goes under, or SOE earned truckloads of money from Free Realms and doesn't know what to do with it. ;) Either way, they say there's a Vista compatibility patch coming for the first PlanetSide, plus some more cool stuff, so I think this just made my day. :D

... Which is a shame, since the mechanics and gameplay are phenomenal and the game deserved to become a great hit. Let's hope SOE learned something over the years and make up for their past mistakes... ;)