Why not both?! I just bought a mono Wapity and I'm using it as a wallet. But I have mono Pochette with extender. If you buy the Pochette and don't want to spend extra for the LV extender, then create our own extender! There were others on TPF who used bracelets to act as extenders that looked really nice....
Pouchette Accesories!, I use my pouchette w/ out extender. The pouchette accesories w/ a extender looks bad IMO,it from far the bag looks fake (xtra long straps=fake bag). It depends If you will use the pouchette mostly as a purse get it,but if you are going to use the wapity as a makeup case get the wapity then.
Wow looks like the Pochette Accessoires is the choice of the majority! The bf chose Pochette Accessoires too.
I actually want something to hold my mobile, cles, and small misc stuff for days when I don't have much to carry! At the same time, I wonder if a cles can fit nicely into the Wapity because I was under the impression that the cles is about one cm wider than the Wapity.