Here is the conclusion the the pre-release review of Dias Ex Machina's Amethyst: Foundations! For complete details on the new techan character classes, and the "grade-card", check out the link below:
Pre-Release Review of Amethyst: Foundations by Dias Ex Machina (Part 2)
Thanks for the pointers, Neuroglyph. I'm sufficiently intrigued that I bought last year's RPG Day download and the associated package. I may try to interest the local group in a one-shot when we're between other things.