One of our customer was looking for ways to schedule a policy evaluation on multiple servers using their existing MSX/TSX infrastructure.  I thought it would be better to blog an article that could help others looking for similar information

http://blogs.msdn.com/b/sqlagent/archive/2010/11/19/scheduled-policy-evaluation-on-multiple-servers-using-msx-tsx-in-sql-agent.aspx 

This posting is provided "AS IS" with no warranties, and confers no rights. 
Use of included script samples are subject to the terms specified at
http://www.microsoft.com/info/cpyright.htm