I don't think the Blue Heaven IC will keep you happy for long. Look a bit higher for interconnects. I also think, for 2 cents, that the Elys cart is a MM with a HF rolloff that will not give you the last undistorted octave of air. To improve resolution most effectively, consider upgrading your source.
Your amp looks interesting. Have you thought of NOS driver tubes?
Your amp looks interesting. Have you thought of NOS driver tubes?