> If the next tabor board will be able to boot even mos [...]

As far as I understand, there are no plans by the MorphOS team to support the Tabor/A1222 and its awkward FPU.

> maybe AEON could be interested to sell a special version of
> w3d nova build for mos.

Unfortunately, such build for MorphOS wouldn't be a simple recompile as Warp3D Nova relies heavily on A-Eon's RadeonHD/RadeonRX drivers. So either these 2D drivers would have to be ported as well or Warp3D Nova would have to be adapted to the MorphOS 2D drivers (if that's even feasible).