Welcome to the QB bava. Like Murphy224 and meyert, I am curious as to what problems you are having with your 6600. I have had mine since 2011 and it has been a workhorse for me...I was going to sell it when I purchased a Janome 8900 but I just couldn’t part with it. I also don’t think you can go wrong with a Bernina...yes, they are more expensive but the quality and durability is worth it IMHO. Good luck in your search for a machine that is right for you.