The cheapest 5k iMac is $1799, other comparable displays are roughly in the same ballpark. I imagine the other items (frame, sensors) are trivial compared to th

The cheapest 5k iMac is $1799, other comparable displays are roughly in the same ballpark. I imagine the other items (frame, sensors) are trivial compared to that expense. Replacement 5k panels for the iMac (LM270WQ1) are merely $800 on AliExpress, but you'd have to figure out how to output to them.