Wow! You dug deep to find this thread!

If that's Ray Atkinson you're asking, he's long gone some 15 years from NE.com!

Good question to ask everyone else though.
I have always regarded the .375 H&H and the 9.3 Brenneke to be ballistic twins, with indistinguishable terminal ballistics on game as well. But my experience with either is a distant second to others here.