Disclaimer: This review is a bit skewed due to the fact that I had difficulty hearing the movie. The dialogue was very quiet but all the background stuff was really loud. I think I'd have liked it more had I been better able to follow.
I did enjoy Ocean's Thirteen much more than Ocean's Twelve. At least with Thirteen, we had the chance to guess how things were done, and that wasn't an option at all in Twelve. Who doesn't like watching the gang make another big time heist? There's not much to say about a (second) sequel. If you liked the first one, you saw the second one, and you'll probably see (or have already seen) the third. Enjoy!