Just wondering about those discs http://cgi.ebay.co.uk/Clio-RS-2-0-197-Front-Drilled-Grooved-Brake-Discs-312mm-/300446677672?cmd=ViewItem&pt=UK_CarsParts_Vehicles_CarParts_SM&hash=item45f4047aa8 , are they ok? Something else in this price range...