Goods and Services

BroGame!
Sells virtual currency for several online games.
http://www.brogame.com/

CoolInGame
Covers several games with FAQ, pricing, and group information.
http://www.coolingame.com/

FavGames
Selling currency for online games.
http://www.favgames.com/

GameInfinite
Sells items, accounts and online currency for EverQuest II, World of WarCraft, Diablo II, Guild Wars and Final Fantasy XI.
http://www.gameinfinite.com/

MMOBids.com
Online auctions site for online game currency, items and services.
http://www.mmobids.com/

the MMORPG Exchange
Buying and selling online currency for several online games.
http://www.themmorpgexchange.com/

OffGamers
Buy, sell, and trade services for multiple games including World of WarCraft, EVE Online, City of Heroes, EverQuest II, and others.
http://www.offgamers.com

Player Auctions
Facilitates online trading and auctions between players.
http://www.playerauctions.com/

The Purple Sphere
Sells online currency for a variety of different games.
http://www.thepurplesphere.com/

RPG Trader
Trading, selling, and buying of currencies, items, and accounts.
http://www.rpgtrader.com/