The Super AGA, which was a dumb idea to begin with
Super AGA that is AGA with >2mb chip ram, 1080p resolution and beyond makes sense. At that point adding 8/16/24/32bit chunky modes also makes sense as drag-able screens are then trivial.
Applications don't have to hit the hardware registers for it to be more logical to do it this way, applications that support RTG will benefit too.
Natami failed because everybody's ego went into overdrive. The CPU for example has spun off and is attempting to become a player in the embedded market.