I would say that it is an Irish version of an Argyle. The big question that I had is can it be worm formally if it is in bottle green rather than black. I also like the fact that the buttons on the Kilkenny are more subtle.

Ron- Don't worry I'm a total junkie as well. I have a Prince Charlie, Braemar, Kilkenny, and also have a Brian Boru on order to round out my "formal" wear. And yes, it is overkill.