Order some up with confidence Edward, you won't regret it. Don't know if you're looking at the match hunter (hyper mag velocities) or the ballistic extremes (regular magnum type load), but you can't go wrong with either. Both fly great, and terminal performance on big game animals is outstanding.
This past was my first season shooting the 300 gr BE out of my Knight, and I regularly get sub moa groups and have killed an antelope at 278 yards and an elk at 317 (each with a single shot) so far. A couple buddies shoot the MH in their super mags and have killed deer and elk out to 470, also with single shots.
I'd give parker bullets my highest recommendation, and besides being a bullet crafting wizard, Bob is also one hell of a nice guy.
Good luck and have fun
Cheers
Adam