How do you like it so far?
It's good. Extremely easy to install and setup. Shifting is amazingly smooth, even with a used GX Eagle cassette. The only thing that took time to adjust to is the controller, for the first few rides my brain had to think a second as to which part of the shifter, top or bottom, to get the bike to shift in the direction I wanted. You can even swap which button does what, but I just left it at the default configuration. I've got about 6 rides on the bike and shifting is becoming second nature, and very fast and smooth. I find myself shifting just for the fun if it sometimes.
However, given the choice between an AXS XO1 Eagle Groupset, or for about half the price, just installing a XX1 Eagle mechanical groupset, the XX1 Eagle is probably the smarter choice. The AXS group is new and different, and also brings along some bragging rights, so for now it's cool. I'm sure in the future there will be GX AXS and the price will start to fall on all the AXS choices, but until then I will continue to enjoy my "robo shifting" as I like to call it.