With the exception of the dot brightness, it seems like the ATACR is everything the Vortex 1-6 was but with a better reticle and a bit more mag. I'm definitely a fan.

While I am hopeful that the vortex 1-10x will provide a better experience but I am very suspect of it's 8-10x range being usable in an expedited prone position.
I'm also wondering about it's eyebox at low mag. My concern is that it will have a NX8 eyebox and not a 1-6/ATACR eyebox, in which case it's not worth the money to me. It will be interesting to see how it does.