An update: I can no longer recommend Sin pickups until the builder, Chris Carter, does business in a more professional manner. I gave fellow Fretter Mapka my endorsement of these pickups after being very impressed with the craftsmanship and the excellent tone. He ordered some custom-wound mini-hums some time ago, and hasn't received them yet. Mr. Carter hasn't been good about communicating either, and Mark hasn't heard from him in quite a while. On the Agile forum, a member there is having the same problem.

Not that my personal endorsement should mean anything anyway, but I officially withdraw it for the time being. I think Chris Carter makes a great pickup, and I hope he's able to get things on an even keel soon. Until that time, I would advise against buying any Sin pickups.