If that is the case, then:
1) cgx/picasso96 applications won't work
2) no truecolor modes
3) no chunky modes, for example updating single pixel on 256 colour screen requires 8 read-modify-write cycles
Even if you would optimize the blitter and memory accesses processing everything in planar would still be horribly ineffective.
I respect Piru's opinion and technical knowledge, but I also respect the work Thomas and crew have already completed and their plans for the future and I can only guess that they are comparing apples to oranges. The expectations of one are quite different than the plans of the other.
I know there has been a good deal of criticism against the Natami team for some claims and plans that have been put forward in the past, but not everyone on the Natami forums, or even the dev team knows which direction the project will ultimately go, so I just dimiss some of the more outrageous claims and fanaticism from a few at the Natami website forums.
I like the progress that is being made and still like the idea of what they are trying to accomplish. Only time will tell if I will be able and still want to purchase a Natami board when they are finally released.
Edit: I like the idea of buying a supercharged MiniMig that has faster cpu and aga graphics than any Classic Amiga model ever had. If the AGA chipset emulation also has additional features, other than just being faster at all color depths than the original Amiga models, that will be an extra plus, but not a make or break item that I have to have.