No lan.No character customization.No offline-play.No skill trees.No attribute points.No pvp.RealMoneyAuctionHouse.WoW armor clones.4 players per game.5 years of delayed release. 0/10 will not buy.
I'm not implying that Diablo III will be a bad game; this is Blizzard we are talking about. But the service is just utter shit... ever since SC 2 and their BattleNet 0.2 Blizz is neglecting important stuff (and such obvious features) for the community