From the research department, MIT Review has an article on touch screens that can do dynamic tactile feedback.

It touches upon the point some people have made here on OpenRemote that missing the "feel" of the buttons in a remote means losing your focus momentarily (for example, having to lower your eyes from watching the latest episode of Love Boat to adjust the volume).

It is research so don't expect it to show up soon but good to know there's work going on around this area. The problem right now would be the size:

Due to its pneumatic nature, the system is currently fairly large, but Harrison says that he is trying to find ways to shrink it. "You can't get a pump inside a cell phone," he says, "but one possibility is to have a balloon and squeeze it using a conventional motor."