Two of the people I have bought machines from were genuinely interested in seeing the outcome.
The EM i have, Yukon Special, had been with a family for 25 years, and they just didn't know how to repair it. It had stopped working a decade ago, and they tried to fix it, failed, and that's where it sat. They were very interested to hear about it when it was done.
The Secret Service i bought was kinda the same way. A guy in the military had shipped it back here when he was on tour, then when his tour ended, he decided mission work was what he wanted to do with his life. He never had the time getting the machine working after it had been shipped back to the states, so it sat in his parents house for years. They used to turn it on because they liked the music attract mode played, but it never worked. He was also interested in seeing pics of it cleaned up and working.