The SmartUPS has automatic voltage regulation, so it does negate the need for any further power conditioning for that equipment.
A surge protector usually does not provide any conditioning. It may help remove ground loops, but that’s really it. Consider a conditioner for the TV location. The Line-R’s are good, but the AV line (the H15 model mentioned earlier) is specifically for AV gear. I run an H10 on mine. If you have a money tree in your back yard, you can get the Monster one. 🙂
