1. yes
2. no, x box 360 have their own headsets
3. no
4. there really wasn't overheating issues it just like a computer if you keep it running for a long time its going to get hot and alot of people kept them in small areas where cool air couldnt get to easily so it was the users fault not the console
5. i believe if you buy the premium it comes with the headest but if you just go out and buy a wireless controller it wont come with it