DevBoards

Pine 64 small super computer

runs android or ubuntu
http://pine64.com/product#pricing

ODROID C2

http://www.hardkernel.com/main/products/prdt_info.php

Beagle Bone BeagleBone Black

http://beagleboard.org/BLACK

EZ-B 

https://www.ez-robot.com/Shop/AccessoriesDetails.aspx?productNumber=40

TI LaunchPad

http://www.ti.com/ww/en/launchpad/launchpad.html?DCMP=mcu-launchpad&HQS=launchpad

Some comparisons

http://www.seeedstudio.com/blog/2014/10/31/linkit-one-vs-edison-vs-raspberry-pi-vs-beaglebone-black/

vs

LinkIt ONE
Edison "What will you make"

Raspberry Pi

https://www.kickstarter.com/projects/1598272670/chip-the-worlds-first-9-computer/description