Do you actually have anything that supports Deep Color? Blu-ray doesn't, nor do any other consumer video sources.
I'm not worried about today, I'm worried about tomorrow. I'm worried that once I get the cables in the wall, they are there to stay, given the length and contour of the run. So, I need to be sure whatever I put in is going to support 4K + Deep Color.
Whatever you run, be sure to put some cat 6 (probably 2 lines just in case) in there with it. Some current and many future projectors will allow a RJ45 network connection for various control, firmware update, and automation features, AND you might get lucky and HDbaseT catch on and that cable serve as your video connection. Of course if you go with one of the extenders you will already be using Cat5/6.
is there any hdmi chips out now that support deep color at 4k? It seems like 1080p is the cut off. This is only one chipset. What others are there?
If there isn't, it seems like a waste of money spending a lot on a hdmi extender. Buy one that's relatively cheap that does 1080p and forget about 4k and deep color. Worry about that when you go and buy a 4k projector. My understanding the JVC won't even take 4k content, right?
4k content seems like at least 5 years down the road. Can dual cat 6 cables handle the bandwidth of 4k? It looks like a single cat 6 and cat 6a can do 10gbit/sec so it's the same speed as hdmi 1.3 and above