Speaking of 4.4 I have news on that front.
So I've managed to compile myself a 4.4 build using Omni repos with quite a few hacks. Currently I'm sitting with a device which has the following working
* Boot if I manually mount /data - this needs some init cherry-picks to fix
Aaaaand that's about it. Wifi I think should be fairly easy to fix as soon as I get data mounted properly. Camera will probably be a pain as always. Sound is a mess and needs many cherrypicks. But half the battle is won - I can see the screen and I work a lot better when I have display so good times ahead hopefully