>> also, EROS's GPLed.  I do not say that is an improvement, but 
>> a GPLed OS has done very well lately in popularity.

This is a bit self-fulfilling isn't it? How many GPL'ed OSes are there
thay haven't become popular? We don't know, because they haven't
become popular enough to get publicised.

I'm off to look for elephants with red toenails in cherry trees.