I'm still iffy on this. Yes, the previous series was a great show..and it ended that way. It would be awesome to get another show that is equally as good..if not better.
On the other hand, I feel like the last avatar show captured lightning in a bottle. They may or may not be able to recapture it. If they don't..I hope it doesn't effect how the original show was seen.
I don't want it to turn out like Heroes, where the first season was a near masterpiece, but when people think of Heroes they tend to think of the crappier seasons first..
As I also said earlier, I really don't want this to turn out to be basically a Katara-like girl who becomes the Avatar.