I joined XING months ago, and other than one inquiry from a consultant, all has been silent. The social networking site has a huge following in Europe, but I have found little in the way of legal management material (See my post of Jan. 6, 2009: knowledge exchanges for in-house counsel: Legal OnRamp and LinkedIn.).
A group for legal department attorneys does exist, called “In-house-lawyers managing the interface law / corporation,” and 487 members belong to it. When I searched it I found ten articles under “management” but as to their quality, my German is nowhere near sufficiently gut