teacupcopter
Banned
You can configure your router which will affect all devices connected to it, OR you can configure individual devices.
I only have the DNS settings changed on my PS3. I have a US Netflix account, BUT I can use my PS3 (with US proxy) to access US Netflix and my PS4 (no proxy, uses default AU connection) to access AU Netflix (I only have the single US subscription, also).
Just did it then, so easy! I think I overthought it, I only need to sign up to US itunes/psn if I want Hulu/HBO/whatever apps I think