Pros: double gussets! Snaps!
Cons: its a "system", meaning (as far as I can tell) you have to buy a kit of diapers, not just one here or there.
However, since its a giveaway, I could get to try one anyway! And then there were 4 is hosting a giveway for this diaper at http://giveawaysandlife.blogspot.com/2011/02/best-bottom-diaper-system-review-and.html?utm_source=feedburner&utm_medium=email&utm_campaign=Feed%3A+AndThenThereWere4+%28And+Then+There+Were+4...%29