I have no idea what that router was seems a little to cheap for me . You want to look for netgear or linksys products if you shop around you should get a set on offer. Look to spend around 50 quid on something decent
http://www.ebuyer.com/UK/product/63763 this router
http://www.ebuyer.com/UK/product/45602 this pci adapter maybe
http://www.ebuyer.com/UK/product/63762 this is the matching card for that router but its expensive they both have the speed boost which effectively (there terms im not saying it works
) increases the bandwidth . I personally wouldnt say you need it