Ladies, thanks for your help. I went skiing over the weekend and mulled over this decision. After doing some research and comparing reviews of the 2 wheelsets it sounded like my Zonos were much better wheels. I also realized I'm not that thrilled about disc brakes and decided that if I was going to spend any money I'd rather have a wheelset built with me in mind rather than a 200 lb rider.

Yesterday I contacted the wheelbuilder who built my road bike wheels and discovered he is now here in the Denver area (he used to be in New Mexico). He's very knowledgeable and is willing to help me out. I'm planning on taking my bike to him tomorrow.

He explained there is any number of things that can be causing the problem, for example, the levers can be the wrong ones, so hopefully he'll get to the bottom of this. He also found it hard to believe that 6 shops couldn't find the problem.

And, depending on the cost, I might have him build me a "little" girl's wheelset.

I'll let you know what I find out.