@quicksilver Thanks for the summary. I found these threads from you about overclocking:
https://retropie.org.uk/forum/topic/16155/overclock-stability https://retropie.org.uk/forum/topic/16930/overclocking-discussion https://retropie.org.uk/forum/topic/17544/core_freq-vs-gpu_freq-n64-performanceand this thread by @thelostsoul that you participated in:
https://retropie.org.uk/forum/topic/17032/stresstest-a-fanless-overclocked-pi-3-b-noI will read them in my next spare time.