Totally cute bag. And yes, it does come in the regular size! You can find the regular midnight with pewter MA at lunaboston.com for $620. Use code grechen and you get 20% off, which makes it $496! The photos at lunaboston make the pewter parts less flashy, though:
http://www.lunaboston.com/ProductInfo/RebeccaMinkoff/18023.aspx