Thank You, its much appreciated.I am planning to start my 2017 iMac conversion as soon as this weekend if I get all the parts.
I have ordered the SA1 (arrives tomorrow), crossovers for the speakers, a boost voltage converter. I am planning to use the original power supply based on my experience converting my 2011 iMac over the last few months. The flexibility it provides due to the number of leads and its power output may come in handy for several aspects.
I will post details of my experience with the conversion. I am not sure how many others have tried using a boost voltage converter so I may be breaking some new ground.
I shouldn’t have more than 2 or 3 wires coming from the display - wil depend on whether I leave a drive or two installed or not.
I have been looking around the some of the 3D printed parts and I really like Xarl-Li's iMac fan conversion and I also really like his iMac Ram Cover design. Not sure if I will go with that option yet but its a really clean look. I also found this SA1 board mount, I know Xarl-Li also created one but he noted that it wasn't tested like this one is.