I'm a FF-XI player, not a WOW player... I can only imagine what similar cards would go for. There is weirdness either going with a closed or an open economy, but any time you have ultra-rare items in a modern popular setting, they'll be unreasonable on the secondary markets (Black Lotus M:tG card, Four Horsemen clix, and so on). Credit to the WoW folks for successfully melding the CCG and MMORPG rare-item crazes for great, er, profit, I guess.

Weirdly enough, I rather like the idea of the beach chair. Miuramir, my feline ranger, spent a whole lot of her early career fishing to help pay for all the ammo she was shooting away, and I still go back to it occasionally when I need something low-stress to do.