I think you're going about it the wrong way. Find a rifle you like, then pick from the calibers it is offered in. Not suggesting going for moose or bear with a 22-250 or 243, but anything 270 and up will handle the big stuff. If you like the rifle, caliber is secondary, to a degree. Sure, the 300 WSM is a capable round, but it is no better than a 30-06 or a 300 Win Mag.