Douche - I think you may be mixing up CDD with FDD. Amongst other things, CDD will look at both the achievability of a business plan from a market facing perspective, as well as highlighting potential areas of upside opportunity (i.e. strategy). There is significant cross-over between CDD and strategy, and hence that is why much of the top strategy hours offer CDD as a service line. LEK vs. PWC - LEK for the rep and potential springboard into PE. However, the hours are a killer.