The warehouse dance-floor kiss scene in Groove.
http://www.imdb.com/title/tt0212974/Not usually into kiss scenes, but the atmosphere in that rave is awesome.
http://www.youtube.com/watch?v=p1qLEDWQUSQAlso, I like in Taken when Neeson says:
"You don't remember me. We spoke on the phone two days ago. I told you I would find you."