I would like to take this opportunity to recommend the current sci-fi TV program The 4400. If you haven't been watching, it's not too late to *ahem* obtain the episodes and catch up. Although, in my opinion, the first season was better than the second, the later season remains an excellent way to waste life an hour at a time.
Aside from Battlestar Galactica, I haven't seen a sci-fi show I've liked this much since Brimstone. Which, by the way, if you haven't seen you should.