For people who care about SOA (and therefore care about standards) and also care about BPM, you may be interested to see my latest blog post on why BPMN 2.0 should be executed using BPEL and not the new BPMN 2.0 execution language (although no one implements that yet).
You can read it here <http://www.vosibilities.com/bpel/bpmn-or-bpel-which-is-simpler/2009/11/\ 19/> . Michael Rowley CTO Active Endpoints
