If you are getting a router then why not pay the extra, get a wireless one and not spend out on cable and homeplugs.

Flakit3 - HomePlug 85 Mbps Cable Router Broadband kit (2 plugs)
HomePlug 85 Mbps kit 2 homeplugs with wireless Router (Flarouter) and 2 homeplug 85Mbps (fla85)
Ideal for adapting NTL / Telewest / Cable and Wireless - Cable Broadband
Each: £81.60 ex VAT at 17.5%

http://www.pcworld.co.uk/martprd/sto...&category_oid= £50

I know what I would be buying