[phillihp23]

I would check out accessories4less..... You can get a refurb of the X2600H for half that price or a refurb x4400H for about the same price. I have used many a refurb without a single issue.
I would go with a Fiber cable....Ruipro...
33 ft ruipro Not sure what that $500 Real 4K adapter is .... check out these reasonably priced screens visual apex cinewhite 100" fixed frame screen

 

[phillihp23]

I'd also contact a dealer...your likely too get a better deal than a box store.