I do most of my own up to a queen on a Janome 6600P. It does take a lot of muscle on the bigger ones, so I've sent 1 oversize queen & 1 king to a longarm gal here in town who does amazing work. I've also taken a longarm class at a quilt store in town, but haven't been brave enough to try it yet. Would love a longarm of my own but just don't have the space. I am considering a sweet 16 sit down machine if I can figure out where to put it!