I'd like to see "mini respecs" that are just sold as a commodity in the shop. They would allow you to remove 1 stat point, 2 skill points, or a certain amount of wpf pts. Cost should be on the order of 50k. That way you could say trade all your Ironflesh for Weapon Master for like 200k gold, but a full class change would cost well over a million.
I think it is really good suggestion, though maybe cost of this mini respec should be a bit higher.