The Win Max sounds great on paper and its portable form factor is attractive for handheld gaming, but there are enough drawbacks for us to hit the brakes on putting down $1000 USD for this Windows 10 UMPC.
https://www.notebookcheck.net/GPD-Win-Max-2021-Handheld-Gaming-Laptop-Review-Ryzen-7-Slower-Than-Core-i7.556676.0.html