As Seinfeld said when asked about how many cars he owns, think of a number that’s the outermost limit of what is rational, and it’s more than that.
What is the current retail cost of your reference system?
It would be interesting to share this as I am not sure some of us understand how decisions are made within the framework of cost and resolution. Please avoid used prices as that muddys the water significantly. Also cabling costs would be revealing as well if willing to share.