update on my Kumho tires:
after getting my new wheels and tires rebalanced at Merchants, due to a low level vibration i was feeling starting at 65mph, i can report that the Escta tires are performing very well! their grip is far superior to the OEM Primacies! although when i purchased the car the Michilens had around 30K on them already, so IDK how they perform when new. i think the 255 tread width really helps with our cars and improves handling. we've had alot of rain recently (apart of the terrible weather system that has reaked havoc on the southeast in recent days), the Kumhos have handled it excellently! tire noise is a little louder than the OEM Michilens, but still very quiet. I get much more 'feel' from these tires coming from the steering wheel, which i like but some (particularly most MKS buyers) might prefer complete isolation. the ride is still quite compliant and supple, but not numb like before.
now the cons: i do notice a significant increase in noise level when these tires go over concrete or steel bridges. i did not notice such a difference with the Primacies. also, although i like the looks of the 255 tread width alot, especially the way it fills the wheel wells and generally makes the tires and black wheels look beefy and big; i am concerned when i lower the car with my H&R springs, there might be some clearance issues. hopefully this won't be the case...
sorry, but i haven't figured out how to post attachments correctly. i know some are seeing x's or ?s when i inset an image. i'll eventually figure it out lol.