There's plenty of news and information on putting together an artificial critter here with links to where to buy your first 'bot kit. You can even download templates for drilling the right holes. And, he's allowing MIT scientists to develop and experiment with creating an artificially intelligent machine by mimicking the way humans interact with their environment rather than building a clever grey box on a desktop. So definitely heading for C3PO rather than Hal. Cog is basically a set of sensors and actuators which attempts to approximate the sensory and motor dynamics of a human body.
Sight exists, in the form of video cameras.
Hearing and touch are on the drawing board. Hands are being built as you read. Keep in touch. Online - Until recently, there has been a bit of a monopoly in life. Every example of this intriguing stuff is pretty much the same as us when you come down to the nitty gritty of molecules and biochemistry.