Well I have a 8 yrd on the way in Cochrane Modern which I am a Cochrane and a member of Clan Cochrane. After I get my scotweb points I'm going to order another 8 yrd in cochrane ancient.
As far as favorites, I have many. Those that come to mind are Gordon, Black Watch, Mackenzie, Buchanan. Tartans are so varied and rich it's really hard to pick a favorite.