Cool blue and yellow! I'm going with the consensus for a 201 on the Singer, straighter angles on the machine.
http://vssmb.blogspot.com/search/label/identifying
Both very cool. I love auctions. I don't get much I bid on just because I think I'm the thriftiest person alive, but it is an adrenaline rush. Good luck!
Ha, I see Dawn beat me to it with the link.