Even if you could not output hires from 861 you will still have access to the upsampling /apodising built into the 5200's which will benefit standard res material.

Meridian owner since 1992
Prime & PSU, Focal Elear headphones, Roon (ROCK 8Gi5 NUC), Explorer 1 & 2, F80. 200/203, various Sonos (via Roon).