Fuzzis have always worked really well for us! These are the main bulk of our nappy collection to be hinest as I have never had a problem with them!
Wee notions aren't bulky as such (depends what fabric you go for I suppose!) but I do find them to be 'baggier' (for want of a better word
) than most other pockets, I do love them though!
Blueberrys are nice (but the minkee fabric ones aren't what I would call slim fitting).
Pocket bots seem fairly popular (not tried them myself so can't give personal opinion)
Mommys Touch work ok for us aswell!