I rather liked Diablo 3 (except for the DRM), but two playthroughs was plenty for me. I find it difficult to believe there are really so many people playing it long enough to warrant having an auction house. Do that many people really play it over and over and over again like someone would play an MMO?
Seems to me that Blizzard kind of lost the plot here. Either that or they're getting a little too evil, specifically trying to take advantage of obsessive compulsive people.