sweet thanks for that, much appreciated.

The router I got is a broadband router and card combo thingy... so I am hoping that the router and card will auto detect one another. The router will be in the dining room and the Pc with the card will be in the bedroom.

after that its just a case of internet sharing enabled, and setting up the Pcs so that they are both using the same default gateway (do I make htat number up or will main PC have ne as it is already connected to the net?) then just assign IP addresses and check that they can see each other?

ISP is BT internet by the way