An old meme but still a applicable. At the bottom, Professor of Theoretical Physics Michio Kaku tells us when he expects replicator tech to be real. Also two of the videos were already posted here, but they are in context.
3D printing has advanced quite nicely but still not yet ready for use as a full home fabrication unit... but almost :)
Organ Printing :D
Matter conversion machine that reassembles the atoms (like changing N into O) to make objects.
Give the machine a rock and tell the it to give you fried eggs :)