i just had new tires put on at Herman power in Nac. took off 4 toyos in the back and two michelins on the front. all are dated from midsummer of 2009, just a little over 5 years old. the two michelins especially are in very good condition lots of tread no visible cracks. about 45000 miles on them. they would not give any trade in and I have no use for them. they are...