We get 2000+ daily 404s for those URLs; documentation at http://developer.apple.com/library/ios/#documentation/AppleApplications/Reference/SafariWebContent/ConfiguringWebApplications/ConfiguringWebApplications.html suggests they are different, but the same :-).
As I am not an iUser, probably best to consult with one on what looks best.
Version: unspecified
Severity: enhancement