Anyone currently looking to revamp their professional profile should definitely have a read of this great piece by Elena. Its very important to learn that the trick to a really good CV is to know how you differentiate from the crowd and how you can get this information across efficiently and concisely without just using generic buzz words.
Finding our professional differentiation and describing it well is extremely difficult. It is also a constant process, as differentiation evolves over time. But it is worth the effort.