The Daily Grind: Do you like playing the merchant?

It's hard to deny that there's a certain appeal in playing the market in a game. While the stakes are certainly lower than in real life -- a failed investment deprives you of only in-game currency, with rare exceptions -- the successes feel just as visceral. Certainly it's something that EVE Online has capitalized on, to the point where some of the game's detractors complain that it's all-consuming. And of course, therein lies the problem -- some players log in to get away from the economic con

World of Warkraft...