Smashing Magazine posted a list of 10 futuristic interfaces.
Between clever games, brainwave operated interfaces and holographic displays, there are some pretty nice ideas. Most look like constructive re-imaginings of HCI (human computer interaction). So hopefully in the not-too-distant future we can bust out of the chains that bind us to mouses and keyboards. Admittedly this is already occurring with mobile devices and touchscreens, but not really for general work-related purposes (typing, photo-editing, coding, etc.).
And more interesting, what lies beyond the standard interface model, WIMP (Window Icon Menu Pointing-device)?