There's also this: http://goo.gl/Dmq3P, and http://goo.gl/bT3Ix, and http://goo.gl/oNupX. Probably a dozen others.
That said, I'm really missing the point of any of these wallets. Once you're down to carrying as little as most of these wallets should hold, there seems little improvement in function over a rubber band or other improvisation.
Likewise, if you're still carrying a wad of currency and eleventeen different loyalty cards, a minimalist wallet will do less for you than paring down the chaff stuffed in your pockets.
I personally carry only a debit card, transit card, and ID. A couple bills stuffed in a front pocket for the rare cash-only transaction and perhaps my single motorcycle key (I'm still baffled at the keyringed baubles most people carry around). I'm looking forward to the looming day the debit and transit cards exist in my smartphone as well.
Not to say people don't have good cause for their packed wallets and keyring maces--by all means to each their own--these minimalist wallets, however, seem lacking in function even when their design is nice.
That may be what it comes down to: the wallet as anachronistic man-bling like the fancy watch or pen or business card holder. Nothing wrong with that :-)