Andy Rob you definitely dropped the ball the left side of the arete is great, about 6b/6c. Could of added it to your wicklow arete FA list, Michael did well to get it done before the weather really got bad here. Its a beautiful arete, really looms when you walking up to it but funnily not tha visible from the road.
This and Gaskin's Darkness... in Glendasan share the title of Ireland's hardest. It's great that Michael has climbed a hard problem that is such a nice line and really representative of wicklow bouldering being a slopey arete and all. Darkness is a great line as well but a bit more unusual as its an overhanging face.