Hobbyking is selling a similar board as the KK Quadcopter board.
Based on the popular and already well supported KK Control board, the Hobbyking Quadcopter control board is bringing Quadcopter madness to the masses with its breakthroughs in quality and price!
The HobbyKing Quadcopter control board uses Japanese Murata piezo gyros that are less sensitive to vibration than SMD type gyros and also features state of the art SMT manufacturing to ensure quality. This board also uses a user programmable Atmega48PA IC.
Specifications:
Size: 50.5mm x 50.5mm x 23.5mm
Weight: 14.5 gram
IC: Atmega48PA
Gyro: Murata Piezo
Price is US$ 29.99. I think it is important to mention that Hobbyking has announced on their forums that a part of the profit of this board goes to the original designer of the KK board.
More information here at the Hobbyking website
Comments
For now I will move onto the ArduCopter board and see how I go with that.
And an upgrade is already planned. From the comments on that page:
Perhaps 4-6 weeks away from a bigger Atmel MCU.
I was surprised it lasted so long... I had been checking the site all morning, but when I had to go out they put it online. I think it took a few hours.
I understand that more are coming soon, but don't know how soon.
@kim Skatun: read this thread: http://www.rcgroups.com/forums/showthread.php?t=1143569
and this might help too: http://lazyzero.de/en/modellbau/kkmulticopterflashtool