Another free analyst report: Policy Management for SOA
This ZapThink ZapNote is written by David Linthicum and provides recommendations for policy management in SOA. It covers Vordel's products for policy management (including Policy Director).
I'm CTO at Vordel - Vordel connects apps to other apps, connects businesses to other businesses, and connects SOA to the Cloud. I am based in Boston, Mass., USA. On Twitter as @TheMarkONeill