I have a Janome Memory Craft 3500 which is a little too heavy to travel with, so bought a Janome Gem (the shop I purchased it from called it a 3/4 machine) which has been fantastic as I discovered that everything is interchangeable with the 3500 including the power cord and the foot control which was handy when a wire broken in the 3500 foot control I just used the Gem control until I had the 3500 control repaired. I have also found the Gem to be very good in teaching young people to sew as it has a speed control which they love when they are first learning.