SeeSax
Headphoneus Supremus
I believe @SeeSax have the above configuration going on! You guys can pm him for more info on how it goes
I am afraid I am not much help, sadly. I just sold my Legend X! But Iliad lives happily on my Thummim and I find it to be spectacular. On Legend X, I always shifted toward more traditional silver cables. I actually discussed this with Eric and tried the Plato after his recommendation and loved that. It provided a sense of air that the Legend X can benefit from. Iliad is an incredible, highly resolving cable, but Legend X doesn't need any bass enhancement in my opinion.
Regarding Leo 8w, I have a Leo/Cleo 8w and the Iliad has outstanding ergonomics and build quality in comparison. Both are great cables, you really cannot go wrong. But the sound quality you get out of Iliad in a 4w design with those custom hardware details is at the top of my list.
-Collin-