The much-awaited Nokia N91 phone has started shipping in U.S., for $599. The phone launched in Europe in late April after Nokia delayed it last year. The N91 includes a 4GB hard drive, stereo headset jack, FM radio, wireless connectivity and synchronization with Windows Media Player.
As a bonus, all N91 phones shipped in the North American market would include exclusive content from the Live 8 concerts held in July 2005.
Some more details here.