About 6 years ago I bought a Leica 900 scan. They made a 1200 scan, but who's going to shoot beyond 900 yds anyway.
It's been a great tool without a bit of trouble. Very accurate as far as I can tell. It's darn hard to hold the little square focus point on a pronghorn out there at 500 yds. I found I needed a good rest to do that. But I like the scanning mode this model featured.
You can find them cheaper, but I figured I'd buy one that would last.