Has anyone considered setting up some kind of alert system for people looking for specific items posted in AH?

IE. Just have a little line where you can put in exactly what you are looking for. Then once someone else puts that item up, the requester simply recieves a PM stating it is now available. Maybe even include the min. bid and buyout cost.

Seems like this would keep the gold flowing more effeciently to me. Thats a good thing right?">