Further to our conversations at CSLUG yesterday..
LOOK!!
https://www.lattepanda.com/lattepanda-iota

It's only got a N150 and a pico!!!
Plus PCIe, fanless heatsink, eDP connectors.
Expect a review as soon as I get my sweaty mitts on one.
It offers a slight performance boost over the Radxa X4, but some interesting peripheral options for embedded systems.