Thanks for taking the time for a comprehensive answer and giving me a much better idea of what I could do. I used to have an ASUS router and the Superhub in modem mode, but the model I had would not...

I have an M5 pack of 3 Decos I want to use (still in the box!) . Current set up is a Virgin Media Super Hub 3 (Router), range of Wi-Fi is poor for the house as the router is right at the front and...