Networking using powerline
 

Windows 7 64 bit
Virgin cable 20mb
virgin super hub WP2 aes
PC on Gigabit
New laptops N-Network

Just installed virgins super hub in Attic, getting wireless at 36m down stairs.
looking at getting 500 powerline to connect to xbox.
Have got a Edimax 657 gigabit router, wondering if I could use it has a switch downstairs.
Any ideas How I can go about this.

Also can anyone recommend which powerline to get.

Thank you all for your time:)