Wow, you're obviously a huge fan of Grzegorz work. Owning already 3 of his models with 2 others on their way to you
I don't own a SE5 Way, but was lucky that I could get a SE5 Ult on a loan for several weeks in a row.
The owner was also a reviewer on THL and he wrote:
I tend to usually listen to the 5-Way with its stock cable, despite an adequate arsenal of cables on hand. It’s partially because the recessed silicone sockets can be a pain to use with upgrade cables, but mostly because the pairing works just fine. The 5-Way constructs a warmer stage structure, and the OFC’s warm tone seems to dissolve in it. There are enough cables that create an airier sound. But this isn’t a stage that was intended to sound analytically clean. Similarly, its laid-back treble might not have the most sparkle, but contributes to the naturalness of the presentation.
I didn't swap cables with his SE5 as I didn't want to take the risk damaging the sockets, it wasn't mine afterall. But if you really want more air / sparkle a silver cable would probably suit best.
If budget ain't an issue for you, you might want to try something like the EA Horus, as that cable brings a lot of air / clarity to the table.
Oh, and I'm not sure if a Chord Mojo (which you are looking for according to your signature) would be able to bring out the best out of the SE5. I really liked the pairing with my Lotoo Paw Gold. So maybe it's worth taking a look at their new daps (similar signature with blacker background) LP Touch and the Paw 6K as well.
Anyway, good luck with your cable hunt