Thanks to the Greedy Goblin, I've found the twinks' website. There's lots of advice for the twinks themselves and as GG says, this is the place to find out what gear the twinks want if you are a seller.
http://twinkinfo.com/
For those new to the game, twinks are players (normally pretty low level) who pursue high level gear as their main focus of the game instead of raiding or running instances. They often compete in the Battlegrounds.
http://www.wowwiki.com/Twink
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The Solo MMO Player collects links to the most useful or interesting MMO websites, databases and blog entries I have found, with a bias toward topics of interest to the Solo Player. Use the search box in the upper left hand corner to find topics. Kelari NPC Warrior art courtesy of Game Fluid.