Goodyear also now releases a Super Sport series to rival Michelin's top end Pilot Sport series. Exciting times indeed! 
http://www.tyrereviews.co.uk/Article/The-new-Goodyear-Eagle-F1-SuperSport-Range.htm

http://www.tyrereviews.co.uk/Article/The-new-Goodyear-Eagle-F1-SuperSport-Range.htm

what do u think if i use 235/45/18 rear and 225/45/18 for front? since it is RWD, so had a feeling to do such configurations. is it normal? any setback with that? how about the swapping the tyre part later on (coz cannot swap front and rear anymore since different sizes)?