2008 has been the year where scientists have received confirmation that the universe is swarming with planet-filled solar systems. Before last year, it was generally assumed that most stars would have planets, but there was no evidence to back up this assumption.
I wouldn't start packing yet, though : most discovered exoplanets are Jupiter giant sized gas planets, due to the course method used to discover those celestial bodies. Wired features an article explaining the most extreme exoplanets currently discovered.