@dondan in the sandwich layout image on the first page with the 240mm radiator mounted in the bottom, is the vertical PCIe mount completely covering the left fan? If so, would it be possible to perforate the metal so the bottom radiator could be used as intake without trapping the hot air under the bracket?
Suggestion to @dondan: don't publicly share the poll results. With the survey you have consulted us, your fans and prospective customers, to gather our feedback. But the final decisions are yours, and that's all I feel you need to share. Just my $.02.
@Bonusround This was also my plan. I will write some words in the next days about the survey after I ordered the prototype in the next days. @Jeydub It will not cover the fan but it will be above the fan. Between PCB and fan there will be 15mm. This is enough room so the air can travel around it.
I am considering building this syntem https://au.pcpartpicker.com/list/gDLbyk and I am not sure what will be the best option as far as later on moving (if is possible) to a custom loop with a 240 radiator (cpu & gpu). The cases that I have in mind are NCASE M1, T1, and C4. C4 Looks very promising