Do i need new tires

Ivylog wrote:
Assuming you have weighed and pressured your tires correctly, use your rig often...does not sit for 4-6 months at a time I would replace your front tires with almost anything other than Michelin or GY. Use the fronts if not badly cracked to replace the badly cracked Michelins on the rear. I would go with Toyo or Hankook tires.

Thanks Ivylog, so, your suggesting that i might only replace the tires that are seriously cracked, running the older Michelins on the dually's in the rear, and new ones on the front? I'll probably replace them all, especially since it seems that a lot of you are giving favorable reports on some of the more inexpensive tires, but, just looking for options and input