Also when doing a canyon turn, flying slow and turning filming or taking pics, following low over rivers, take offs Vx ,Vx,Vg, it is very useful.
Mounted as a HUD is the way to go, because and it has been previously mentioned you want to look outside when landing.
I know pilots here have lots of experience and will not buy it now that they have 10,000 hrs or so, I would probably be the same, If you are kind of learning it or pushing it more and more, its a good tool to have.
When I bought mine I had 200hrs,and wanted to learn to fly the backcountry on my own since there were no backcountry instructors in Costa Rica.
I dont think I would have learned as much as I have learned without it, the AoA indicator teaches you to fly the plane by AoA.

