The outfit known for their MacBook docks is up to its old tricks. Henge Docks has outed the Horizontal Dock at CES: a resting spot for MacBook Air and MacBook Pro with Retina display that connects to up to three external displays, six USB 3.0 ports, double audio outputs, Ethernet, an SD card slot and FireWire 800. Got all that? Good. The goods are housed in a solid metal frame with a Kensington security slot for added safeguarding. If all of this sounds too good to r