I think these look much better then putting the Apple Nano on your wrist: http://bit.ly/hnLUkQ To each their own though. =)
As for applications, yeh GPS, Gyro would be great.
As for applications, yeh GPS, Gyro would be great.
They raised $941,718 from users, so there's definitely a market for style. It's touchscreen, costly (nano+holder) and non-hackable.