Has anyone changed the tires from what came on their MO? I understand that the only tire in size 235/65/18n is the LS, but there are other compatable sizes. I'm looking for a better all around tire then the Goodyear. Even the Goodyear dealer said the LS is marginal in snow. I am considering a dedicated snow tire, another question as to what one, and keeping the LS as a summer tire, but it would be preferable to have one great tires and avoid the seasonal switch-over. Anyone thinking the same? Thanks.