20070152980 Touch screen keyboards for portable electronic devices 
(47 pages)
Various on-screen keyboards for use on an iPhone. Claims are directed to estimating where on the screen the user touched relative to the displayed keyboard, so the user doesn’t have to be 100% accurate with their typing.
20070152978 Keyboards for portable electronic devices (45 pages)
Related to the application listed above. Claims recite a keyboard in which at least some of the icons contain two or more symbols.
20070152977 Illuminated touchpad (34 pages)
Touchpad (examples shown include an iPod scroll wheel or a laptop trackpad) that at least a portion of lights up when touched.
20070152966 Mouse with optical sensing surface (27 pages)
A mouse that can sense different gestures made on its outer surface.