Antonio. I received 2 steam PS3 upgrade boards a few days before the MTH closing announcement and ordered them direct from MTH - you have to call - cannot order on line. I ended up joining the Rail King club, because MTH offered discounts on the boards. For one probably not worth it. Still trying to decide on whether to install myself of have someone else. A local shop will do it for 125. I do not know which sound versions you have to download and install. There are installation instructions, but I assume there are tricks the installers learn that are not in the public instructions - have never done this yet. Good luck Jeff
One thing I did not quite comprehend. I have a Shay that needs repair and after speaking with the repair people they said they had PS1 boards to make the repair. But since they had the boards they could not upgrade to PS3. I had to send it to an authorized shop, or I could do it myself. I guess there is a business deal in the background - but really?
There is no business deal per se other than MTH has not done upgrades as they don't want to compete with their trained techs who do upgrades. If they had no PS1 boards, fixing your locomotive with PS3 boards would arguably be a repair, but if the PS1 board are available then changing to PS3 boards is clearly an upgrade.I
As to whether to do the upgrade yourself, I don't think it is heart surgery but if you are new to it I would rather pay a competent tech rather than chance damaging the board via experiential learning.