Just my two cents I guess, same issue as everyone else..bought it on official site, got banned later accusing me of using stolen serial keys etc etc. Below is my info,
Bought from: buy.guildwars2.com
Date Purchased: 11/02
Order number: 30220210
Incident: 121110-000725
Do not see any charges on my credit card for this purchase. Nothing pending or listed reflecting so.