We used the two part nappies like you mention here :) I loved them, i found that i had less issues with leaking etc, we used the UK brand totsbots and (aussie i think) motherease, motherease do the best wraps EVER but they're not as cute as some are!! i've also used blueberry wraps but they don't fit too well on the motherease nappies (but fine on most others). I loved that you could match a wrap to the outfit for the day!
I don't know the brands you mention here, you might want to buy a couple of each and see how you go before buying a whole set of them. if they're one size they'll be big on a newborn anyway i should think.
The benefit to using pocket nappies though, is the fleece layer because it pulls the wetness away from baby's bum, the motherease etc just has the towelling that the baby is sitting in when wet until you change them. you can use fleece liners though :)
You'll want to have at least 5 wraps(outer).. probably more as you'll have days where you'll just have poo everywhere! and as many inner nappies as you can, the more the easier really, though they recomend minimum 15 (i had 24)
give me a shout by message if you have any questions!