If we're going to have armies of robot servants, we probably shouldn't make them look like scary terminator exoskeletons or creepy rubber-skinned mannequins. It's actually not that easy to avoid the uncanny valley, but that difficulty isn't going to prevent folks from trying
to create ever more life-like (yet fake) people. Here are just a few links pointing to some cool projects to design our artificial replacements.
If you'd like to read more awesome and interesting stuff, check out this unrelated (but not entirely random!) Techdirt post