My feedback on the cybernetics:

1.) Is there any possibility to increase the number of cybernetics that a character may have installed (besides increasing ones Toughness) ?

I have the feeling that the limit is too tough for Techpriest / Adeptus Mechanicus characters, who should have a special ability to be allowed to get some more cybernetics than usual (maybe combined with the still missing Mechanicus Implants/potentia coil)

2.) It would be nice to have some additional differences in item status with those cybernetics that not yet differ

3.) The list of cybernetics is really small, given how many yet appeared in other publications.

A handfull more wouldnt be wrong ;D

Like: Blackbone Bracing, Bionic Respiratory System, Mind Impulse Unit, Cortex Implants, Subskin Armour and Synthetic Muscle Grafts, just to name a few important