Check out this thread:
http://www.quiltingboard.com/vintage...d-t216857.html
The machines you're looking at really aren't that bad. For me completeness is far more important than dirt and rust. Those can usually be cleaned up. Finding the right parts is harder.
I like the light fixture on the New Automatic. Very Art Deco. I'd find a more appropriate place for it though.
Rodney