I agree with your first responses except I'd cut the WSM. .300 WM, and -30-06 will do great work, their both .30 cal so will shoot the same projectile just the WM will shoot it a few hundred FPS faster. You can buy ammo for both anywhere in the world, the WSM not so much. If your a distance shooter the WM has the advantage because it's faster but Bullet Hit location on the animal trumps that. Also, with the new limbsaver pads; my 140lbs son and his buddies shoot my lite weight.300wm's regularly and do OK.
I've hunted with a bunch of calibers for over 4 decades, shot lots of deer, over a dozen caribou, moose, and smaller animals with various calibers. I routinely shoot with my buddies during the winter and spring out to 800m. I've got .308's, 6.5's, .270's and I've got various guns, some custom guns costing a lot. But when I go hunting I reach for my .300wm Tikka stainless lite with a Leupold VX-5 with the free CDS. I laser the target and dial that simple. Then I just dope my wind. I Never worry about the turret moving inadvertently. It works Every time. It's lite. Never loses zero. Doesn't rust. Factory triggers are superb. The best combo of optic and weapon I've come across. And the .300wm got the power to knock down anything I'm hunting.
My son turns 16 next fall and that's exactly what I'm giving him for his birthday. Hope my response helps, just my $0.02.