You might want to check out
http://www.prodigyquilter.com/ I found them when I was looking for machines dealers in the Charlotte area and they just happen to be located nearby.
"We are very excited to introduce the new and exclusive "Sharon Schamber Series" quilting package. Sharon has shared many of her ingenious add-ons that make our machine an award winning quilter and helps her to obtain that level of perfection that she demands from a quilting machine. Only Prodigy can do it. Take a look and see why Sharon is happy to endorse our machine."