I have a HQ Sweet 16 sit down I bought second hand. Handi Quilter in Utah has been a great support to me, since I had no dealer close to me to go to. The tension vexed me on that machine but I finally got it to a somewhat acceptable level, but I never considered that aspect of it seamless nor easy. I decided to take the plunge and bought a Lenni last fall. I like the machine and the service from the dealer and APQS has been great. I still have tension issues but I'm trying to work it out as it is a learning curve and I guess I'm a slow learner :-(. I got a Blissed set up and 12 ft table. It was one of the more affordable options in a new machine in a Longarm with a dealer near me I had confidence in. A Lenni is a bit lighter weight than an Avante I believe and is a 20" harp vs 18" on the Avante. I was concerned with adapting and felt less weight would be easier on me. I also like the Lifetime warranty and service. Good luck with your decision. It's not an easy one!