Ya, leave it a 30-06, load up 200 gr Nosler Partitions, or go to one of the terrific "unleaded" bullets like the Barnes TTSX, Nosler E-Tip, Hornady GMX... something along those lines and probably in 165 - 180 grains with the "mono metal" bullets. Those things penetrate superbly.

But if you just want a bigger bore rifle there's nothing wrong with that. I'd lean towards the 35 Whelen or 338-06, though the 9.3x62 is certainly tempting.

Regards, Guy