Embroidery machines. I know that there have been a number of very interesting postings about embroidery machines recently and multi needle machines were commented on. While the link is for a UK company there will be similar companies throughout the world. The company here is a very reputable one.
For people considering multi needled machines there are lease machines from some reputable dealers. This could be a way of finding out if a multi needle machine is really what one wants and can it pay for itself. Then to decide to get or not