Depends on what I'm hunting and how I'm hunting. When I'm hunting desert mulies, because I'm hunting tracks, I usually carry a 6X. They are very light, easy on the eyes, and a lot sharper for detail than many would think. I have three, a 6X30 Yosemite, a 6X32 Katmai, and a 6.5X32 IF.
For open country I prefer an 8X, either an 8X32 for light weight, or a heavy 8X42. For serious glassing, I really like my 12X50 Leica. E