I've been looking at this for the last couple of days. The ones I've seen that are relatively cheap include orange pi and nanopi. Nanopi seems to have slightly

I've been looking at this for the last couple of days. The ones I've seen that are relatively cheap include orange pi and nanopi. Nanopi seems to have slightly better adoption, but orange pi is not far behind, is cheaper on Alibaba, and most of their devices are supported by mainline/armbian. I'll probably go for orange pi zero2. The Allwinner chipset is great.