http://www.nintendowifi.com/consumerservice/showTopic.do?catId=Add_Topics&topicId=WiFi_general_id_transfer
Bought a lite?
You'll want to move your wifi settings/friend shit.
Web version:
http://icculus.org/cgi-bin/finger/finger.pl?user=zakk
zakk o' the cosmos version:
http://timedoctor.org/~zakk/
zakk o' the oldskool version:
finger zakk@icculus.org