I'm going to get one, though I will probably go lower-end.
I'm not really anticipating using it to set up every shot. I might not even take it along when I'm hunting.
What I want to do with it is practice judging distances when I'm not hunting (or not hunting very seriously).
The terrain here is really rough and often steep. Humans are really bad at estimating distances when looking across a big canyon, for example. Something might be 150 yards away, but we might think it's 300, or vice versa. Without flat ground as a reference, our brains aren't optimized for this.
So, my plan is to take the rangefinder along while hiking, scouting, etc. I'll pick points, make a guess, then check the distance. With some practice, I figure I'll be a lot better at it than I am now, which is terrible!
Now as far as using a range finder on a mule deer when I'm hunting on foot, I can only say, "Yeah, right!" If the thing turns sideways and stops, that means I have about 5 seconds to take a shot. I'd better be looking through the scope, not a rangefinder!