I read too much into the "years and years of dependable service" and assumed you didn't need
the trainer part.
Here's one on ebay:http://tinyurl.com/5nhtq3
Or you can get a begali new:http://www.i2rtf.com/html/cw_machine.html
For operating/contesting, it's hard to beat
the Winkeyer USB.
The G4FON free software works great for training.