"The way we think of this phone is, it's really an iPod shuffle on your phone" - SJ.
The ROKR as its known can hold 100 songs, Cingular will be selling the phone in the US and O2 in the UK, Cingulars website states the phone is $249.99 with a 2 year contract.
The phone is simply a standard Moto phone with an iTunes button on the front and iTunes software installed.