Hi Matthew,

I would highly recommend upgrading your 218 feeding the DSP7200SE. The cost is relatively low and the gain is significant. I have a very similar system and the gain of upgrading the PSU to a farad super3 for the 218 was one of the best upgrades I have ever done. Every time I listen now I am impressed of the sound quality. In your system 1 it is maybe to only place where you can upgrade effectively. So I would start with your system 1 and leave system 2 as is.

Regards

Main: DSP8000SE< 218 < Farad Super3 TMCB < PS Audio P10. Room correction: Focus Fidelity.
Second: Fostex Fe206NV2 < Audio innovations 500 valve amp < Wiim Pro +
Study: DSP33 < Reviver < MS200
Server: ROCK + Tidal on NUC, fiber on 2x cisco 2960, HD-Plex LPS.
Gone: DSP7200SEu, DSW, DSP5500mkI & DSP5000mkI, 508.20, 210