Having been looking through the discussion board there are some really interesting posts on competency in training. These are specific to management systems auditing but will expand the list to cover off other areas in that big wide corporate world.
Definitions of competence
Competence, awareness and training
Thoughts on skills based assessment for personnel certification
Skills and competency certification
About regulation of organizations that employ certified professional
Should certification bodies be running like a business?
All found at IRCA online forums