Visiting Arkham City

After I finished Arkham Asylum two years ago, I was left wanting more.  I went in and played all the various stealth missions, I couldn't really string together a huge combo while fighting, so those challenges didn't appeal to me.  Even after all that, the overall experience felt a bit short, but in a good way, not the 6 hour campaign sort of way.  It really was like everyone said though, it is the best comic book game ever made.