The only thing I worry about honestly is people leveling to max level using exp. boosts, and then being total idiots about their profession because they hadn't gotten to practice to learn to actually
play their class. This will have some effect, especially given that this game is more skill-centric rather than gear-centric. It could also screw up the economy if people startled selling these things in-game....I don't know if they can in GW2, though.
Having played almost nothing but 'f2ps' until now, I am very bitter and cynical about cash shops.

I raised my eyebrows at Anet for charging over $50 for their newest title and putting up a cash-shop. But I guess games like RIFT and WoW will make over $100 off you every year, so I can see the reason for it I suppose, and I know there will be plenty of altaholics buying xp boosts. But one more thing...can someone confirm crafting boosts being sold in the shop? I've heard about these, but I don't know if they're real, or what they do. Has Anet put out an official list of GW2 cash shop items? thanks in advance. threads like this have kept me from preordering just yet today. xD