Oops, I typed express and I meant extreme. One of the white 54Mbps round ones that doesn't do audio audio. One of these (http://support.apple.com/specs/airport/AirPort_Extreme_Base_Station_no_modem.html) I think.

Frankly it's just sitting round unused at the moment as my dsl router does wireless and the airport can't do airtunes. I'd be happy just to see it go to a good home so I'm not fussed about money for it.