p.2 #1 · As a Pro, LR 4 or Aperture-starting over. . .
Another thing to consider is Capture 1 has camera tethering. Many of my friends that use that function say it is hands down the best when compared to its competition.
p.2 #4 · As a Pro, LR 4 or Aperture-starting over. . .
You can control the camera using your computer, and it captures straight to the computer. Kind of helpful if you are shooting for someone else and don't want them looking in your screen every shot. Camera tethering is the term used to describe this function.