Quick note...
Seriously, can it be done?
Light-weight operating system for N900, without eye-candy...
Is anything like this anywhere in the whole world?
It's a helluva lotta work for what would be a 5-10% increase in performance. And it would make things far more complicated anyway as every game would have to be recompiled anyway to run with different controls (as I'm assuming the majority would have Pandora dependant control schemes).