I also have a 6600, have had a 350E (& loved it - and my dealer said I used her like an industrial machine and I miss her!). I now have the 6600 and MC1000 and love them. Great machines. So glad you are enjoying yours and to Pat F.C. - don't hesitate to get a 350E - you will love it! Just start gathering machine embroidery thread now (LOL).