I live in the northeast (Philly area), so the IS 300 stock tires (the 17" ones) are too dangerous to keep on during the winter. I am also lazy and hate the idea of having snow tires put on and off, so I bought the all season Yokohoma Avids H4 from Tire Rack. I am having them mounted this weekend, but I don't know what to do with the original stock ones. They only have 3400 miles on them. Should I just throw them out, keep them (I am not sure what I would do with them if I kept them) or sell them (anyone want to buy slighly used tires)? Thanks for your help.