One folder-  If things come in separate folders I always put them into one myself  for the same reason    .    

Switching between folders in Poser does take more time than scrolling up and down one big one.

My 2 pence.

" Try and be nice to people, avoid eating fat, read a good book every now and then, get some walking in, and try and live together in peace and harmony with people of all creeds and nations."
-Monty Python