You have some great gear. And going balanced will make your voice exactly 3dB louder in the ongoing discussions of how digital cables make deeper zeroes and more spacious ones. Seriously, the advantages of balanced connections are very real considerations in the studio, but simply unnecessary at home. (With the one possible exception of phono carts inherent balanced output)
Balanced vs Unbalanced Digital Cables
I have the ability to go to a balanced digital from my Lumin d1 to my SMSL D400EX. Is it worth the potential expense?