[sprash]

> I think MGR has the greatest potential for a comeback because of its unique architecture

I think so too. But this time with modern drawing primitives. Instead of lines an circles we need shaders and textures.

In the end, even the most modern UI is nothing more than a terminal: Low bandwidth input from keyboard and mouse events and low bandwidth output (like draw checkbox at x,y). The rest is done by some drawing or blit routine which can be entirely managed on the GPU.