I don't know anything about mobile, but I've been looking at replacing my htpc ION system (edit: not that it really needs it, frankly it works great) and fanles

I don't know anything about mobile, but I've been looking at replacing my htpc ION system (edit: not that it really needs it, frankly it works great) and fanless baytrail boards/cases look very interesting. More cost than a pi + pi codec licensing obviously - but not that much, and all open as you pointed out...