Interesting build for RPi to mine Bitcoins

I can’t see an RPi being a big bitcoin miner, but I do like the setup and the hardware (linux based) in general.  Might be good for a more robust low power system.  But…it uses a custom ASIC GPU that is stuck at 330 MHz…

http://techcrunch.com/2013/08/13/how-to-build-a-raspberry-pi-based-bitcoin-mining-rig/

http://www.daveconroy.com/beginners-guide-to-turn-your-raspberry-pi-into-an-affordable-bitcoin-mining-rig/