This new quad ESC is similar to the HOBBYWING: SKYWALKER QUATTRO 20Ax4 ESC - $46.00 (which is now $38.99) except it only costs $29.82. Check it out: Hobby King: Q Brain 4 x 20A Brushless Quadcopter ESC 2-4S 3A SBEC http://www.hobbyking.com/hobbyking/store/uh_viewitem.asp?aff=5361&idproduct=36674
