Works well. We almost didn't spent any time in a queue.
Convenient that it could be used for nine consecutive days. Did not make any difference with regards to avoiding long lines.
It was a great idea to get a CityPass! I enjoyed having all the top destinations selected for me. I wouldn't have gone to the "top of the rock" if it hadn't been in the booklet and it turned out to be very cool. Since I was travelling alone with my 3 children, I wouldn't have gone to the museums if the passes hadn't been included in the booklet. And those were quite memorable even though we only went in very quickly. I liked having the tickets to use at my leisure and not be locked down to a specific time. The only things I did outside of the booklet was Central Park Zoo and the Ground Zero Memorial. Oh, another thing that I liked was that the tickets were interchangeable. This flexibility was nice since I was able to invite various family members to use my 1 extra ticket, since my husband did not arrive until the last day when we did the Statue and Ellis Island.