Originally Posted by deplaylady
OOOHHHHHH!!!!!!!!!!!! That is a Singer 503. I gave one to my DIL and she LOVES it. YES it is worth getting. It is the same as a Singer 403 inside. The 403 and the 503 are like the 401 and 500 but they require disks for everything. I think the 403 and the 503 have a bit better stitch width control but that is my dirty little secret. Make sure they include the zig zag disk and any others you can get your hands on.