I'm selling my Bitfury rig if anyone is interested. 1x M-Board v1 and 4 H-boards (1 from August and 3 from October). It runs at 125+Gh/s with out any pencils mods or tweaks.

http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=321326828523

Have a look. Thanks!