For what it’s worth, here is a link to a recent post regarding MM orders:
https://forums.maslowcnc.com/t/metal-maslow-order/12697/12
Scroll to the bottom to read his response. Like @bar said, their repsonse time can be hit or miss but I believe that eventualy everyone gets their stuff. I don’t have any direct experience with ordering from them but I get the impression that they ship in batches.
Here is the link to @orob 's video on his sled build.
https://youtu.be/x1uhjihMlco