i think 802.11n have some major problems,. it is still in draft by the way.
A mate have a Belkin 802.11n and it knocks out all vodafones in the house if the router channel is set to manual.
If I try to connect the wireless part of my mobile phone to it, the router resets.
I know someone else who have a cisco 802.11n and that is useless, took ages to get it to connect, change it to 802.11g and it works ok.
Adrian using Linux on his laptop and loves it.
BTBroadbandanywhere type package.