PiEEG as a platform which is optimized for low-cost high-quality as an alternative to EEG devices up to 50 000 USD?

Among the EEG devices which cost up to 50 000 USD, is there a device which stands out and can be recommended to evyone? If the following problem could be solved: https://forums.raspberrypi.com/viewtopic.php?t=36316 Raspberry Pi’s with PiEEG could be such a device. This setup could be a building block for EEG devices with as much EEG …