Here is a post that describes a recent use case of Microsoft Solver Foundation in real world applications.

http://blogs.msdn.com/pascal/archive/2009/01/13/l-agenda-des-techdays-2009-a-t-enti-rement-construit-avec-microsoft-solver-foundation.aspx

Thank you Pascal for contacting us with the problem and collaborating with us to get the work done in time. It was great fun for us working with you.