Vaja has announced two new Limited Edition cases for the iPhone 3G. Both the White and Black n’ Orange Limited Edition cases feature a flip-down front cover, and are covered in Floater leather, a grainy cowhide with a unique texture and finish. As the names suggest, the White Limited Edition comes with a white Floater leather outer and logo-embossed white leather interior, while the Black n’ Orange offers a black Floater exterior with…