Man, I am new to the RMEF.org site and am loving the reading over there!
Here is a great article from the site that really supports the 30-06 as an elk rifle.
The main points, I think, of this article - is that 300 yard shots are long... and 400 yard shots are REALLY long and that when you combine hunter error with the true differences between the -06 and some of the magnums that are out there - the -06 really holds up pretty well.
I continue to work to try to win the 300 RUM on this site - and if I am successful in that endeavour, I will likely try some of the Managed Recoil ammo that is available... I genuinely dislike recoil...
I did enjoy this article and hope you do, too.