I've just done some business with Kanoya, package arrived fairly quickly. I asked him about the NH-1 USB cable, here's his reply:
"For the USB cable, kindly note we have for sale that can match the Sony MZ-NH1 on our Yahoo auctions, please see below link for your reference:
http://page9.auctions.yahoo.co.jp/jp/auction/k153436693
Please review and advise if this USB cable is the Right one that your friend is looking for? If ok, our best price including shipping cost is $30/pc (by Air Mail without tracking number service). If he needs, we will sell it on eB