I like the pop-in's but they are at the bottom of my stash in terms of how often I use them..... lately I seem to be using them more than I had in recent times but I think it's because they fit DD better now. Only problem is like someone mentioned is the velcro tabs aren't too good when you have an older bub who thinks it's great fun to rip them off all the time so we always have to wear pants over ours! Which isn't a bad thing when she's wearing a Pop-In I guess because they aren't as 'attractive' as some other nappies you can buy!!!! They're a bit boring but otherwise they do the job and are quite absorbent I've found. They are a PITA to put together after you've washed them though to line up the snaps etc I find it does take a bit longer than say a nappy that only has an insert to throw into it..... but in saying that, my stash is a mix of all different types and brands of nappies which I like. (keeps it interesting!! LOL).

I have 6 but only because I got them very cheap during a closing down sale from someones e-store once!!

eta - my inners also tore on 1 of the nappies and I sent it back and they fixed it up and sent it back to me quite fast. (so they should!). I've found that you can have problems with any nappy too, even if it's meant to be a good brand!!