AMD will release it at a competitive price point, this I am certain of.
However, I'm also not interested in mid-range Navi personally, because I already have multiple 1080 Tis and I'll need a compelling upgrade from that, other than some 1200 dollar Turing monstrosity.
PCI-E 4.0 test was meaningless. Yes, PCI-E 4.0 will be faster, and considerably so, if a significant portion of assets cannot be fit into local VRAM...but this is not at all a realistic gaming scenario. The reason GPUs have so much VRAM is to prevent this level of asset streaming from being necessary and by the time it is, performance will be trash no matter what. PCI-E 4.0 might be relevant if CFX sees a resurgence of support as it will enable improved scaling and/or reduced microstutter, but for single GPU scenarios the difference between 16x PCI-E 3.0 and 4.0 is going to be meaningless until we are on the third generation of PCI-E 5.0 GPUs.
...rightful liberty is unobstructed action according to our will within limits drawn around us by the equal rights of others. I do not add 'within the limits of the law,' because law is often but the tyrant's will, and always so when it violates the right of an individual. -- Thomas Jefferson