Pre-order

The term pre-order comes from pre-order boxes, normally available when you reserve Guild Wars before it is released. In the pre-order box you are given an code than you put on your account, it gives you acess to the items below and a some exclusive events. So far there have been two pre-order boxes with their own special exclusive weapons.

Items
If you have a pre-order key assigned to your account you can type /preorder alternatively /bonusitems in an outpost and they will appear in your inventory.

Guild Wars
Guild Wars had 6 items depending on where you reserved the game.
 * Canthan Targe - Best Buy
 * Bone Idol (Pre-Order) - CompUSA
 * Ithas Bow - EB Games
 * Chimeric Prism - Europe
 * War Pick - Gamestop
 * Censor's Icon - Everywhere Else

Guild Wars Factions
Guild Wars Factions Pre-Order Package had 2 items that you got no matter where you went.
 * Dragon Fangs
 * Spiritbinder

Guild Wars Nightfall
The Guild Wars Nightfall Prerelease Bonus Pack includes 2 unique items.
 * Icy Soulbreaker Of Enchanting
 * Fiery Sunspear Of Shelter