Few comments after reading Wiki

[Robin Paulson]

> 5. hav developers though about creating it on kind of x86 compatible
> platform ? I know, it could be more difficult to create energy efficient
> device, but having PC in pocket (with ability to running dos, windows after
> changing SD card) would be more than excellent....

yes, i have. i don't know about any others though

i'm waiting for via to release the pico-itx board they've been
promising and will see what i can do with that to create a
UMPC/phone/pda type combo. this board/cpu promises ultra-low power and
hw accelerated video playback, looks very interesting and would be
awesomely flexible/powerful

as you say, the main issue is power - x86 isn't really optimized for
anything as it's such a generalised architecture. my calcs at the
moment on power are struggling to get more than a few hours use with a
reasonable size battery