check out my "premium Bullets" post. I've been hunting/loading for almost 40 yrs now and have never saw the need for these new fangled premium bullets. The Honady interlocks and Sierra Game Kings worked well for me. My .270 does like the 130 gr Nosler Ballistic Tip. And you guys are right, they are devastating on deer. I've also taken deer, antelope and black bear with this bullet from distances of 20 FEET to 375 yds. and most dropped like they were hit on the head with a sledge hammer. I presume the 30 cals in 150 and 180 would do the same.
I think the "premium bullets" are only needed for the bigger and/or nastier critters where greater weight retention and penetration is needed.
A bullet has performed at its optimum when it lodges under the skin on the off side. It has done as much damage as possible. I'd rather see a bullet expand and stay in the animal causing as much hydro shock as possible than have one bore a neat little hole right through.