Yeah, the Zero 2 W is officially supported (unlike the original Zero W) and is generally the cheapest option. Currently the cheapest one I could find in stock is a $55 kit. Pis are super hard to find at good prices these days. 
I think talking about the ender 5s jinxed them. The one at the makerspace decided to start printing 2mm above the build plate again yesterday. I guess @Frank’s will be next 
. I’m gonna look at ordering a standard 12864 LCD so we can flash it with stock Marlin 2.0. The touch screen has a lot less functionality than the regular LCD + encoder menu system.