been searching for a spotter and it is driving me nuts! i need to resolve bullet holes to 400 yards, and more is better (but 400 is a start). mostly for range work, so size/weight are not factors. need to keep price below $450. these are what i've narrowed it to: nikon xl nikon realtree outfit sightron 20-50x63 b&l elite 15-45x60 cabela's big sky can someone help me out? i can't afford better glass, and saving is not realistic (be 2 more years at least)... any help?