We were thrilled with the Explore Pass; it gave us so many options in choosing what we wanted to see not a choice of one or the other. I highly recommend it. Highly recommend the Inside Central park bike tour.
Be careful that you dont have to pre-book your tickets ie Top of the Rock. The pass does not automatically give you access, you have to actually convert to paper tickets at the venue and these sell out.
Empire State, pay the difference and get the upgrade to bypass the huge queues.
Good but not as good as other cities. You need to check cost of tours as you can make poor choices with no real saving