Are Michelin tires worth the extra cost?

As a long-time Michelin fan, I've been considering upgrading my current set of tires to their top-of-the-line models, but the price tag has me hesitating. Are the extra miles and peace of mind really worth the significant cost increase? Has anyone else made the switch to Michelin's premium range and can attest to its benefits? I'd love to hear about your experiences with these high-end tires - do they truly outperform their more affordable counterparts, or is it just a marketing gimmick?