I've not had either, but had once thought about a 502/G02, but my understanding is that the main difference is that x02 is balanced, x01 unbalanced. But I am sure you knew that so apologies in advance.

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