Any way to change the queue Topics from an item that was entered into the incorrect request queue?

We are using request queues for more and more and find them great to get requests to the right people and into the correct "project" or holding queue. The one challenge we've had is when a user selects an incorrect queue topic. It is easy enough to move the issue and assign it to the correct person or team, and attach an approval route if needed. I cant find a way to change the Queue Topic that is attached to the request and the challenge we have is that we report metrics based on queue topic. Things like average time to close calculated as actual completion date - entry date [found out that Age doesnt stop when a request hits complete :-( ] When we have to change an item from one queue to another though, this can become invalid. I hate to call the requester and ask them to re-enter the request, and if I delete and re-create the item, they dont have the connection. Are others running into this problem? If so, how are you handling it?