Aberdeen Group and Logistics Management are conducting a survey with the title of "Quantifying the Business Value of Service Oriented architecture: What Supply Chain Managers Should Know". The aim of the survey is to measure the current level of integration in information systems of the company and degree of awareness about the benefits of Service Oriented Architecture. You can participate in the survey here.
Go visit the link above and participate in the survey. It worths taking a look and has great useful information in it.