I started w/ a pouch (mom and me)
I then added a solarveil ring sling (for a vacation we took when DS was 2 months old)
Then came a Maya ring sling
I have a Kozy mei tei and another ABC a friend made me
DH has his own Kangaroo Korner adjustable fleece pouch.
If we ever have another child, I'd like to add one or two more
I think they are all good for different purposes and at different stages of development