Though it obviously comes from the same factory that's been churning out similar Bluetooth keyboard cases for the original iPad, Solid Line Products' new RightShift Keyboard Case for iPad 2 ($99) has a few small differences worth noting. The base of this fold-open folio design is amply padded faux leather, markedly different in texture from the otherwise similar tyPad case we've previously reviewed. It opens in the same general way with an extra flap…