The only MAC I really collect and use regularly is the pigments. I don't have all of them (not even close really as there are SO MANY!). But I WANT all of them and am working on it!
i've always collected the pigments but i'm putting eyeshadows as my #1 priority to collect this year! oh, that and msf's - whether they look good or not on my skin, i gotta have them! like aziajs said, i just want to look at them!!!
.. have all shadesticks.. I love playing with them and am starting to use them as a base more then my paints.
and all but 2 pigments(royal blue and light blue) but thinking about not getting them because I dont often use blues... but still want them just to complete my piggie collection
i have almost all the pigments and pretty much all of the permanent eyeshadows... 7 palettes worth i think
i also have all of the shadesticks and the paints minus hotnsour