Personally I wouldn't use the 3 blade... Had too many guys come into the shop I used to work at till my daugher was born, talking about them not opening fully. From personal experience, I helped my sister in laws brother find a nice buck he blasted from a 70# Mathews at 10 yards. Was a good shot but didn't have pass through. We only found one spot of blood. Had to search for him, ended up finding him but not from following blood trail.
I love my 2-Blades and keep a close eye on my o-rings and have not a problem with them and this is the 3rd season using em and have taken multiple deer a year with them. This year is on track to be the same...