Yes, the MNT Reform and Pocket Reform both have trackballs[1]. They're very different products from the StarFighter laptop though, in that they sacrifice a lot of potential processing power in exchange for a platform which is much more amenable to customization.
I must also mention that I'm happy to see the UHK has a ball-retention ring; this used to be normal for trackballs but companies moved away for it for some reason.
It is still a crazy question though because if you seen most laptops in the last 15 years there is basically no room for them except on the large workstation thinkpads or large gaming laptops.