IMO, Its either that or stock oem. Nothing but a personal decision, or monetary. Check out
http://www.infinitipartsusa.com for the oem peices.
How many miles are on the car?
So you have blues on the front now and stock in the rear?Stock springs?
Im really anal about the ride quality of any car Ive owned. Blues and springs feel great to my behind on the Q. Even with the wheels.
Stock wheels or other on it?