I was actually clicking the discussion with the thought "If nobody said ghostbusters I will be very disapppointed" :P
At least it's an accepted answer. Arguably who is a better choice (well argued here for instance http://www.macmillandictionaryblog.com/keeping-it-real-with-real-grammar).
Thank you. I don't know why I made the comment; must have been in antediluvian mood. The article makes good sense, and I was not totally unaware of the arguments.