Firstly,
to the site. I hope you enjoy it here.
As far as I know, NTL dont offer ADSL as yet, thuogh its supposedly in the pipeline.
You would need a router intended for cable modems, that does not contain an ADSL modem.
It should then be a simple process of hooking the NTL cable modem into the router and then connecting the USB wireless sticks to the back of your PC's.