We didn't know our smartphones weren't quite smart enough to need a guide to the interwebs, but the Foleo syncs to your mobiledevice, providing a full size keyboard and larger display for editing documents and triaging email (among other things).
The Galaxy S is a fine example of a premium device created through the combination of Corning's specialty glass and Samsung's mobiledisplay technologies.
Beyond device-specific content display, the two other pieces to consider when designing your mobile strategy are use case and context, two realms in which responsive design does not contribute meaningfully.
OnLive's cloud-based video compression technology has revolutionized the way video games are played, both in the home and on mobile devices, as a user's computer or device becomes nothing more than a means for display and input.