Best PAR meter to buy?

Yeah pretty.

Did you see the spectrometer which Malocan has?:
https://www.rollitup.org/t/spectral-lightmeter-gigahertz-optik-msc15.913239/

here is a link. 1500 EURO
https://www.gigahertz-optik.de/en-us/product/msc15#_features