Naim Audio: http://www.naimaudio.com. (Naim Audio home page)

PinkFishMedia: http://www.pinkfishmedia.net. (Naim discussions and tweaks)

AV Options: http://www.avoptions.com. (USA Naim servicing)

Neil McBride's pages: http://www.neilmcbride.co.uk. (Naim tweaks and insights)