Some have shot with the Einstein at fast shutter speeds at full power, using the flash duration to extend through the shutter. But it doesn't have true HSS.
The AD600BM is just coming out. There are some on ebay. Cheetahstand will be rebranding it, I'm sure. The X1(C/N) is the transmitter to use, model depending on Canon or Nikon. The non (M) at the end is TTL version and more expensive. B at the end is Bowens mount, vs Godox proprietary mount.
The AD360 is like a speed light in sizing, but a bare bulb 360Ws strobe. You can get a Godox mount for speedlights to Bowens on Amazon for $18. The new X16 receiver will mount in the AD360 to power from the X1 transmitter. I'm hoping I will be able to buy the old manual AD360 (not the AD360II) with the newer 2.4 GHz X remotes, rather than the older 400 MHz style.
With Godox early release items, you need to get used to updating firmware. This requires Windows and with Windows 8+ requires booting into unsigned driver land to update. Overall they seem to offer good reliability and performance.