Kanex has just released the US$59 ATV Pro HDMI to VGA adapter. This little video adapter may well be a hit with teachers and presenters who want to mirror their iPad screens to VGA projectors -- without tethering the iPad to a clunky VGA cable.
Up until now, if you intended to display your iPhone or iPad screen on a projector without HDMI inputs, your choices were few. First, you could use an Apple or third-party Dock connector to VGA cable. That, of course, limits your mobility to the length