Try one of
these
With 2 of
these
or
With 2 of
these if your confident at fitting a card inside your pc.
And you will not go far wrong.
Just remember that you don't need your ntl disk, and to use ethernet. Since I'm assuming that you will have a pc next to your modem already just use an ethernet cable from the router to the pc, the router will allow upto 4 wired pc's connected to it and loads of wireless.