VOXWare sells SOA based software that processes orders using speech recognition. By the few accounts out there, it has been a success. But their customers aren't talking -- probably because SOA gives them a huge competitive advantage. Even CIO is having trouble getting details. This is what KPI has found on SOA implementations. They have high upfront costs and a learning curve, but the end result of a good implementation is a large competitive advantage (due to the flexibility, especially in the event of an acquisition).