Sassy...am I understanding you to say that you can download a quilting motif and then the machine would stitch it out?
If that's what you're saying, then Spiegel is missing out on advertising the best part of the machine!
As for the vibration while sewing..if your machine is on a sturdy surface, it shouldn't be vibrating...a lot of the high end longarms have the same set up with an Ipad mounted right on top of the machine..I haven't heard any problems about them..