Construction and impact speed matter just as much as "light or heavy for caliber". If speeds are getting cranked up due to light-for-caliber, I'd prefer tougher construction. If speeds are lower, due to heavy-for-caliber, give me softer construction. Assuming medium game here. I've seen a 130gr .30cal mono bullet work at 3,350fps, but really no better than a 200gr .30cal cup/core at 2,650fps. Lots of ways to skin that cat.
