Originally Posted by David Munch
Passbook is quite nice when apps start taking advantage of it.
My iPad 2 runs iOS6 just as fine as iOS5, and it also has 512 MB RAM.
Passbook is a waste for me. My iPt4 lacks too many features, so I don't take it anywhere. Instead, it stays at home sitting in a speaker dock; primarily used for its audio features.
Still, the lack of GPS and the high entry price ($299) immediately rule it out.