You can get a C8 for way less than $4000.
I have decided I am purchasing a 77" C8, will use the A1E in my other room. I have been back and forth, and while I dont miss the 940E as an LCD (dont get me wrong its lovely, LCDs just aren't for me), I do miss the size.
The C8 is getting rave reviews from calibrators and respectable websites, it has autocal (which increases accuracy over manual cal controls) plus a plethora of other calibration controls (even for Dolby Vision mode), so I just don't see a point in waiting. This is a definite long term purchase because of price, but other than getting brighter (which I am not concerned about), the next steps are 8K and 2.1, which I am really not concerned about.
I'll start a dedicated thread for the C8 if there is not one once I get the ball going, which is all based on Chad's June cal arrival. I will purchase in time to get 200+ hours on it before he arrives.