My impression was generally positive. On one occasion the Marathon Supreme on my rear wheel came out unscathed after I rolled over a pile of glass, while the Vittoria Randonneur Hyper on my front wheel got two punctures.
that is similar to my experience, Supreme held up fine through glass when a Randonneur Pro, Hyper and Panaracer Protex got flats. Seems to me that putting a Supreme on the front with some kind of heavier sidewall tire on the rear is a reasonable combo for efficiency/durability/ride quality.
So far I've been moving a 35mm Marathon XR , Marathon Supreme and other tires around on my CrossCheck according to conditions and come back to the XR on the rear and Supreme on the front when I don't want to risk flats.