It would be marginally useful even at $500, annoying to use for long stretches, and very expensive. In this economy it's dead in the water as anything other th

It would be marginally useful even at $500, annoying to use for long stretches, and very expensive. In this economy it's dead in the water as anything other than a niche product for specific uses or an expensive geek toy. As is, it's not getting anywhere near iPod/iPhone status.