You still have to line up in a HUGE line to go to the Statue of Liberty. The Staten Island Ferry is FREE anyway without the pass,
Brought this as a wedding gift for friends of ours and on return from their honeymoon they have raved about the pass. They loved just selecting a place and not having to queue!
Myself and my boyfriend were in New York for 6 nights and found the New York City pass invaluable. Not only did it work out cheaper to see the attractions by having the pass but there were added perks like skipping very long ordinary ticker holder queues thus halving our waiting time and you got little extras at certain attractions i.e. admission to IMAX show in the Natural History Museum which you would normally have to pay extra for. All in all I would highly recommend availing of the New York City Pass.