When you have a machine that does both embroidery and regular sewing, your machine is tied up for use of regular sewing while it is embroidering, and many embroidery designs take hours to sew out. That's a huge disadvantage. So if money and space are no object, I suggest machines for each task (my personal fav are Janome's). But that's a personal thing - I like to keep them separate, but it might be best for you if you get 2 in 1. And as machine embroidery is addicting, get a machine with the largest hoop you can afford.