FriendlyELEC NanoPi K2 (S905)
A new 4xA53 Amlogic S905 board from FriendlyArm.
-> http://www.friendlyarm.com/index.php?route=product/product&path=69&product_id=186
Really interesting.
I looked at the source code of u-boot for K2. It is not difficult to add support for running any systems with SD card or USB stick.