I'm no completist. I only buy figures I like. Occasionally I pick up and impulse buy or get something because of a good deal. I might go into completist mode for the Transformers: Prime line because those all look amazing. I recently got a shelf for my figures and most of them are on it. Apart from a few things I don't consider to be very worthy for the shelf. I may add them to the miscellaneous shelf later on. From top to bottom: Optimus Primes, Generations/Classics/MP, Animated/WFC, Movie Autobots, Movie Decepticons, Alt/Misc.