@Wyoman welcome to the forum .
If you search “XR review” at the magnifying glass 
above this is the top result.
Take into Account it is mostly 1st batch accounts.
Myself I own a pro and will be purchasing a XR ( soonish) even though I am only 6 hours away from the fastcut plant.
My main deciding factor for choosing langmuir systems was this forum.
There is quite a healthy community that comes along with the product.