We've got 2 pair of the Nikon Monarch 10x42 and one pair of the 10x50's. All are very clear, though the 10x42's are a good bit smaller and easier to handle and carry around. For my hunting, I use some rather old Leica 10x40 and I'll never give them up. But for what you want to spend, any of what you mentioned should be just fine. It just comes down to personal preference and what feels best in your hand. As for the quality of the glass, the differences are probably very minor. If there's anything that I can say about the Nikons that is slightly negative, it's that their toughness is questionable. Which of the binocs will best survive a 4 foot drop on a hard surface? I'd factor that into the purchase, if you can.