I haven't shot any Federal Fusion or Hornady American Whitetail ammo in 7mm-08, but have shot a couple of whitetails with HAW in 6.5 Creedmoor and the bullets opened quickly and shot accurately.
This year I'm going to try shooting a few whitetails with the Winchester/Olin Deer Season XP factory loads in 243 and 6.5 Creedmoor, as I have found them to be very accurate in my RAR-Ps and they are something new to try.
One of the nicer things for a deer hunter living in Nebraska is that antlerless whitetail tags are available in large numbers, so a guy who wants to can shoot several deer with different rifle/cartridge combinations.
Please give a report on the Winchester Deer Season XP’s performance on game when you get a chance. I’m getting awfully good reports from friends all across the country about excellent accuracy and a very high percentage of uncanny DRTs.