I already have this machine, (in fact I bought it over 10 years ago! ) and it's FANTASTIC, it's used regularly, never misses a beat and If you are thinking of buying, don't hesitate. Janome also have a number of feet accessories that fit this machine and I've collected (and used) them all. I especially like the piping foot. The rolled hem is really easy to set up , and the machine can do 2,3 or 4 thread serging. I've used all sorts of decorative threads in the loopers, check out Superior Threads for some great ideas. My machine mechanic says that the 634d is his favourite serger as so little goes wrong with them and they are so easy to service. Click on the pic to see a full list of the feet and accessories available from Janome.