I've had my Juki F600 for a year and love it. I started my search thinking I'd buy the Janome horizon but ended up with 2 Juki's - TL2010Q is my other machine. I could not be happier with this combo. Both are workhorses, stitch beautifully and are easy to operate. No thread issues on either machine and I've yet to touch the tension dial on the F600.