Roku clearly isn't taking the new Apple TV lying down. After passing the Roku XD and Netgear Roku XD through the FCC a week or so ago, it's back for more with the Roku XD S. There are still plenty of plugs in the back, including HDMI, USB, Ethernet, component video, composite video, optical audio, and Ethernet, and the 802.11n a/b/g/n WiFi makes its requisite appearance as well. Since we don't know too much about the XD line yet, we're not sure set the XD S apart, but prior experience in the CE space suggests that "S" stands for "small" or perhaps "scintillating."