RE: what is the all around best caliber for whitetail deer hunting?
If you reload, there is nothing better then the .257 Roberts!!! If you do not reload then the 25-06 would be my choice. These 2 calibers are what I would consider the flattest shooting mid range calibers available. Others may disagree. My .257 reloads using 100gr Sierra Gameking bullets at 3200fps only drop 31" at 500 yards with a 300 yard zero, they are devastating to deer.
Mark