This week's book giveaway is in the OCPJP forum. We're giving away four copies of OCA/OCP Java SE 7 Programmer I & II Study Guide and have Kathy Sierra & Bert Bates on-line! See this thread for details.
BgWS: The reality is that BPEL and ESB tend to increase coupling with the reliance on common third party middleware.
Basically it seems that this type of orchestration and coordination is viewed as a capability that is only of interest to higher-end customers but is of little interest to the majority of the stakeholders in the "RESTful" solution space.