On the other hand, I feel like the auction house will be good.
An auction house will stop all those lame auctions that people post up and have people bid on only to not sell the item because the minimum price wasn't high enough.
(If it wasn't high enough, why didn't they set the price higher in the first place.....

)
It's a broken system.
If the prices go up, I don't think that it will be because of the aucti on house. Rather, I think that it would just be a natural inflation that would have happened regardless.