AerBabe as FFF and others have said the CV is supposed to be document to get you in front of the recruiter (either agency or the real company). When I've been hiring PMs and programmers it helps if the CV has some juicy bits for the interviewer to ask questions around. I once had two PMs applying to me for roles both had PPL on their CVs neither PPRuNed though - I got blank looks during the interview.
Not really worth putting it under education (sorry ETOPS773 IMHO only) as it is too specialised and not really mainstream enough to be picked up on. Defiantly put it under achievements as PPL(a) JAR-FCL etc.. as it represents a massive commitment and ability. I'd also slip it into hobbies. I did like the idea of putting after "clean licence and car" but I think that the "smile" would be lost and assumed to be bragging in some way.
Of course a CV / Brag-sheet needs to be tuned to the role you are applying for if the company is remotely connected to air services then all bets are off.
Bear in mind that the firm I work for often see 400+ CVs for every role we advertise, and when in a previous life I used to hire directly a 100+ CVs were the norm - any differentiator is worth putting in. All IMHO and FWIW of course.