Thank you for your help Schnapps.
I have set up the router and now found it only has the 2 ethernet ports which is now occupied by my sky box and my WD My Book Hard drive.
When I get the now tv box I will unplug sky because I will no longer require it connected to the internet as I doubt it will have any use. I will avoid the hub as just another box and another plug socket. I think I will go for the box as not much more if I get a pass deal with it.
I've only just set up the router so not sure how good the wifi will be. I
