i have a couple of coolababy pul pocket nappies and think they are great - they are a really good fit on Charl!
I would say if you are after some cheap nappies go for them!
I only ordered 2 as didn't really need anymore, but was buying a couple to see what they were like before my then pregnant sister bought a full set, and i was soo happy with them that she bought 24. My sister had her baby boy 2 weeks ago, but he is soo slim waisted that none of the cloth nappies she has fits yet, not even the small prefold wraps.
The coolababy nappies popper up and down to the same size as a bumgenius, so i think they'll last just as long!