My new TV uses 200 watts when on. A PC will eventually be connected for HTPC. I'm estimating 80Watts for that (if someone has a better guess, let me know). I'm trying to find what the Onkyo SR600 needs. It mentioned 450W on the back of the manual, but that doesn't sound right if the TV is only using 200. I'm thinking that minuteman might not be able to protect much more then the TV maybe the TV and HTPC, with a 275Watt rating. If the receiver is really 450 though I am up over 700, which is more then even the pure AV can handle, which makes me think I am off on the number for the receiver.