If some people consider to buy a pen on screen drawing devices - recently I stumbled on these 3
reviews of different models. So if anyone has considered to buy one, these maybe can help:

Wacom Cintique Companion:
https://www.youtube.com/watch?v=zTTJ2sAyn3M

Wacom Cintiq 27QHD Touch
https://www.youtube.com/watch?v=G8SYYpnXmHk

XP-PEN Artist 22HD:
https://www.youtube.com/watch?v=4qtohstu_ME


Parblo Coast22 Review:
https://www.youtube.com/watch?v=FoHjK_fwqo8


iPad Pro vs. Surface Pro vs. Cintique Companion:
https://www.youtube.com/watch?v=JlspvcF-DKs

Cintique alternatives?
https://www.youtube.com/watch?v=-ChG-Av-SKU
https://www.youtube.com/watch?v=kA9c8rO08Hs

To be continued...