[cyberhusky]

Apple has filed a patent for a hand-held device, which could include: mobile phone, GPS, PDA, ipod ... any other portable device, with just one big touchscreen. By selecting a menu the display shows keys relevant to the used device: mobile phone, PDA, ipod etc.

Read about this patent here:
http://www.macnn.com/blogs/?p=98

This would really be the ideal portable Mac navigation system!!!