If Germany were to leave the euro zone, the resulting devaluation of the euro could benefit the remaining members of the European Union. A recent op-ed by Kenneth Griffin and Anil Kashyap argues that a German exit from the euro back to the Deutsche mark could be beneficial to all parties in the long run.
http://www.nytimes.com/2012/06/27/opinion/to-save-the-euro-germany-must-leave-it.html?_r=1&smid=pl-share