[Hallicrafters] Tell me about the SX-28

[tlogan7 at cox.net]

Hi folks - 
 I won't receive my Chuck Duchis Hallicrafters book until February (through Amazon) so in the mean time I wonder if someone could fill me in on the SX-28. Having just received and about to fully condition a little S-53A I think I've caught a bad bug.
 My eye is continually caught by the SX-28. I have seen three cover panels but the one that attracts me is an almost black metal with a rough hewn surface - something about that look just grabs me. The other front panels I have seen are a light grey whcih is far less appealing.
  Can you tell me about the current availability, in general, of that model and what price range they would command? How much do they weigh? Is there a recommended external matching speaker? When restored how do they sound? What are some important considerations in brinking this model "back to life"? Is it a "dumb" choice out of all of the Hallicrafters? Any good restoration sites dealing with this model? All info and history would be welcome.
  73/Tim MZ7C