You might consider giving a bit more of a description of what a classic edition is. Many people will not realize what it is and just assume you mean an Iron Man from the initial run.

You want to trade it for another game yet, you don't mention any idea other than you don't really want to let it go unless it's for something you "may want more". Are you trying to trade it for another game valued at 5500? Curious if you are the original owner?

Could you perhaps make the ad less specific and more vague? Have you gotten any offers for any $5500 "EM machines" yet?

Classic edition was the one from Costco with some features removed and the code can’t be updated(if I remember correctly)

Yep, it evolved in to what today is called home edition. Doesn’t have coin mechs and is missing several playfield features (though I can no longer remember what all those are). It’ll never have the last code update Lyman did for Iron Man.

Ironman home version was know as a classic and at the time before VE's were made

Iron Man Models released by Stern before the vault editions were:
Iron Man - Pro - estimated at 1100
Iron Man - Classic - estimated at 50

Notes: Ironman Classic
 (home / costco version)
- New redesigned MDF cabinet screwed together Ikea style.

- No magnets

- No kickback

- All LED inserts

- Stronger slings to compensate for lack of magnet/kickback

- Easier rules

- Always on Freeplay and no coin mech.

and not confirmed but believed that you could not hook up backbox lighting effect kits nor the shaker