It has to be function here. It is not a good advert for cloth if you have constant leak disasters. I like pretty but used functional because I could afford it, find it preloved easily and it worked.
Alright, how about a more 'real life' dilema. If you had to start your stach from scratch, and were given a limited amount of funds, would you buy a full set of plain nappies, or half set of pretties?