Yet another opinion - I have the Carmina balmoral boots in cognac cordovan and they are flawless. I asked for a pair in the lightest shade they could find and what they sent was more like a whisky - I think of cognac as a bit darker than what Alden would call whisky. My pair are paler than most of the photos I've seen on the forum of the Carmina boot, but close to the way they appeared on the Skoat website. From these photos, I like the shape of the toe a bit better on the EG but I see very little difference. I've seen nothing with regard to the finish of what Carmina does with cordovan on my particular pair of boots that would differentiate it from any other high-end maker and I'm glad that use Horween, a source known and respected to most of us. On my Carmina cordovan boots the color is striking and there are no flaws in the cordovan anywhere (and there's a lot of beautiful pale cordovan in that boot!). My only complaint on the Carmina cordovan boots is that they squeak when I walk - the sound of the tongue of the boot against the shaft (I do hate using the word shaft in this context but it was used earlier in this thread, we could use throat but that leads to other problems). Or maybe the squeaking is my creaky joints.
I've got both in my collection. IMO - they're not in the same class. The EG Shannons are sublime. The cordo Carminas are excellent but they feel a bit stiff and somewhat bulky. The EG last is elegant. Both were MTOs.