24 Mar 2011, 19:14
First off, its going to be very costy, since you will need a red switch board which alone costs around at least 150 Euros. You will then need an additional German layout tenkeyless board. Next you have to unsolder the switches in both boards, and then resolder the reds into the tenkeyless board.
Not a terribly hard task, but definitely challenging for beginners.