Just a quick comment (haven't had time to read your proposal yet):

Tom Lord <lord@emf.net> writes:

> * Introduction: A New Way of Writing GUIs
>
>   GTk, Qt, FLTK -- all the rest -- they all suck.
>
>   This is how GUI applications _should_ be architected.

[...]

> * Critique of Other Approaches

[...]

Fredrik Öhrström made a very interesting suggestion for a novel GUI
framework architecture in his MSc thesis at KTH.  The thesis discusses
some of the problems you bring up and provides solutions: