I'll recommend NextThing CHIPs here too (I started buying them because PiZeros are/were too difficult to get in quantities greater then one. Same with the PiZeroW right now, I've got a project where I'd like 12 of them, but it's not work jumping through the hoops (and paying 12 times the shipping costs to Australia) to bother right now.

Of course, do they come with a nice IDE and a big library/ecosystem of soft/hardware examples?