The PineTab will begin shipping next month, PINE64 has confirmed. Priced at US$99.99 for the tablet or US$119.99 for the keyboard bundle, the detachable 2-in-1 tablet is available to pre-order now.
https://www.notebookcheck.net/Pinetab-Detachable-and-2-in-1-tablet-will-start-shipping-next-month-from-US-99-99.470120.0.html
Quad core a53 with Mali 400 graphics... Ouch... Besides it being entirely open source, I don't see why anyone would get that.