I am confused. I went yesterday to watch a demonstration of the HQ 18 Avante with Pro Stitcher. I was extremely impressed and am considering purchasing an HQ machine. However, the rep told me that the Pro Stitcher was not an option on the HQ 16 machine. When I came home to again research your website, I find there is a Pro Stitcher for the HQ 16 machine listed. Additionally, there is no package price for the 2 together. If you add the prices up for the machine and the Pro Stitcher separately, it is equivalent to the HQ 18 with Pro Stitcher? Am I way off track here? Please clarify. Thanks!