The StudioLogic ACUNA 88 Expandable Studio Keyboard Controller allows for integration of your iPad into a serious music environment. It is housed in a solid metal casing and features Fatar's TP 100 lightweight hammer action keyboard.
Underneath the Italian-style hood, you will find a powerful control engine that can be integrated with the Acuna CPanel application for iPads. Four controls can be assigned to up to 4 programmable layers, giving you total tactile control over your setup. With this keyboard controller, you get both, the serious professional hammer action and the light weight compact keyboard that you would want as a traveling player.