I'd date that earlier than '81; the bronze green color and decals puts it around '72 or '73. Take a look at this thread for info on original specs:
http://www.bikeforums.net/showthread.php?t=265033
I have found the Super Course to be a very versatile bike, and I've had similar era frames built up as single speeds, 3-speed commuters, and retro club bikes. You can get 700c wheels on them with fairly long reach brakes (originally it would have had 27" wheels). There wasn't anything particular special about the original components--to me the frame is the best part, so I say built it up as you think will suit you, ride that configuration for awhile, and then redo!
Neal