I have been wondering this for a while, but is there a reason that physical shops like HMV don't offer downloads in shops, using a kiosk? Airports, train stations, etc would surely be prime locations for this.
The scenario being that you are about go on a long journey, see a poster for a new album somewhere or just want some new music on your iPod and want a way of 'getting' it in the few minutes before your train/plane leaves. You
- go to the kiosk (it could even be as simple and accessible as a phone box in the street),
- slot your iPod into the dock,
- use the touchscreen to choose music on itunes,
- enter bank card and
- start payment and subsequent download.
Are there copyright / sales issues meaning this couldn't happen? I am sure it's something that's been at least considered…