The Council of Registered Ethical Security Testers becomes operational tomorrow. CREST's mission is "To represent the information security testing industry and offer a provable level of assurance as to the competency of organisations and individuals within those organisations"
If you are a penetration tester, or you engage the services of pen testers, your should check out this new certification http://www.crest-approved.org/ - it is already supported by 30 companies in the UK!