Yep, I love my .458 too, it's easily my favorite caliber.
I'm taking mine to Tasmania in a months time to hunt fallow deer with it.
Am loading a 250gr copper hollow point @2900fps and I'll keep you
posted on how it goes..
I know it's not an elephant but our fallow get pretty big...

You'll probably never NEED a gun. In fact I hope you never do. BUT IF you do, you will probably need it worse than anything you've ever needed before in your life...