I have had an HQ16 with stitch regulator since 2006 and I LOVE it. I can do anything the bigger and more expensive machines can do. They now offer an automatic stitcher but since I do for myself only, I don't intend to indulge myself.
I am only 5'1" and this machine flows nicely for me. I tried several others and had to be careful with the weight of them.
I had a problem (operator error) with the machine, called Utah and the service guy talked me thru fixing it.
I agree that you should have a dealer close to you if possible whatever machine you get. But the HQ is terrific.
Happy Quilting, Kathy