looking for rare,limited editions etc

[bwatt99]

Hi guys im from uk but i do like blu rays with special packing,exclusives,limited editions,different covers and other rare titles past and present or due out soon,,also another that comes to mind is say digibooks and lenticular cover or slipcases,could someone list me give me an idea whats out there as may want to add a few to my collection,i have mostly uk titles but there are sometimes titles that only get made in such a way and only available in oz.
Care to share what's out there