I guess it really depends on how busy they are and how long it takes to get the part in. I'd say probably 2-3 weeks is about right. I think I would just wait it out. I don't like the idea of being responsible for a loaner machine. Do you have another one you can use or is this your only machine? Good luck. I feel your pain. Take this time to do all those little things that need doing so you'll be ready to get back in the swing of things when she comes home!