There are thousands of other capable wheelbuilders too, including probably your local shop. I'm sure the Psimet stuff is good but wheelbuilding isn't magic and lots of people do it well.
+1. We have a local guy here in Orange County with a constant three-month backlog. Every racer around here goes to him. He does it in his garage in what little spare time he has. In real life he manages a Waste Management team!!