I know it's been 28 days, but since no-one else has commented at all, I might as well.
I love it. It's great. I've had limited experience actually playing characters using psionics, mostly psychic warriors, but I've had a lot of fun when I have. They don't come across as particularly overpowered, except perhaps that Inertial Armour power is OP, but psionics has enough downsides built into it that that might not be a huge problem.
I'm not a huge fan of how metapsionics and psionic feats rely on psionic focus, and how psionic focus is recovered. I've built my own variant of psionic focus rules to try to improve that a little bit, link here: https://docs.google.com/document/d/11VsAiHtMiGU-eAY1rWVxQ6HSiJq-L5040kJFBFXkbbo/edit