What about Android micro-computers on an USB key? http://www.laptopmag.com/android-sticks http://www.laptopmag.com/android-sticks With a little hackery you sh

What about Android micro-computers on an USB key? http://www.laptopmag.com/android-sticks http://www.laptopmag.com/android-sticks With a little hackery you should be able to do pretty much everything within the storage / processing power budget.