There are some multi sensors that plugged in, smartthings sells a zigbee one (called their original version) although it plugs in by USB not to the wall. But it does act as a zigbee repeater.
There’s no good a/V integration with SmartThings except for Audio through a generic DNLA driver or the beta Sonos integration.
There is limited AV integration through an additional device, the harmony home hub universal remote. I use this and like it, but a lot of harmony owners are very frustrated by the limitations.
Some people have some very sophisticated custom AV integration set ups, but they require extra hardware and extra code. Take a look at the following home theater topic for discussion of those: