Android x86 is great!
Currently running on an Acer AXC-704G-UW61 (UEFI) desktop, HP 15-F387WM Touch (UEFI) and HP 2000-299WM (MBR x86, 64-bit is broken for me) laptops.
As of 7.1.2 RC1 it supports Intel hardware decoding(even on older GM45 chips!).
On my XC-704G it can handle Moonlight GameStream at 720p 60fps with H.265 with only 10-15ms decoder lag. It works with 1080p 60fps H.265 just with a little more latency than 720p.
GM45 has always been a bit lacking, even on regular Linux distros, so I expected a few problems with hardware video decoding(frame skips, blurry decode blocks).
Overall Android x86 works great!
Android on x86
Intel Hardware Decoding
VLC(so I assume KODI) with Hardware Decoding works great
Stable & Fast
No hardware decoding for NVIDIA or AMD yet?
Root on 7.1.2 is buggy.
Bluetooth sometimes crashes.