Try all the machines at a show and see what feels best to you. Follow up your decision with dealer support and budget.
I wish I had made my long arm purchase sooner- it has been the best money I have spent. For me, being very new to quilting and after spending hundreds of dollars to have my quilts quilted for me, I purchased a Simply Sixteen/10foot frame and fell in love with free motion. Just a over a year later I sold my SS16 and purchased the Amara with ProStitcher. The Amara is an amazing machine. I changed dealers with my second purchase and couldn’t be happier. Good luck!