I have two - my mother's white/greenish one and my grandmother's black Centennial edition one - and LOVE, LOVE, LOVE them for piecing. Nothing better in my opinion for that when using my 1/4" foot. Straight stitches, never temperamental. You can easily (and I mean easily) tune it up yourself. They were made so that the average person could keep them humming. I went to this website and bought the repair/maintenance manual and DVD set and did it myself. Didn't even have to ask my Mr. Fix-it husband to help me.
http://featherweight221.com/
You can look around and get a reproduction of the table they sit in, too. I can't remember which magazine it was in, but I saw it in the ad section of a recent quilt magazine.
You'll never regret getting one if you decide to do so.