I have the Janome 6500 since it first came out, love it. I also own 4 other Janome machines. They are workhorses and rarely need repair. You won't regret buying. Go back to store with a list of questions. You might have to ask for someone else, be firm and direct ..... it's your money.
Qiltswithdogs.... When Janome was first sold in the US they were called New Home. NH was dropped so we are just Janome. The "Jems" were specials created for those who did not want to spend bunches, they are great classroom and retreat machines.