Nice, im currently running 2000mm/m^2 acceleration, should be able to go higher with better gearing on Thor.
Very interested in this NT30 spindle too. This is the closest thing I could find, any idea if this could be 'forced' to work the same way? Is it even the same thing?
https://www.chronos.ltd.uk/acatalog/info_VRANT30.html
No ATC on yours, how are the tools held in place?