I have no first hand experience with the .338LM, but I am a HUGE fan of the round.
I'm interested to know the process by which one becomes a fan of something despite never having experienced it.
I've long suspected television to be the driving force behind a large number of .338 LM and .50 BMG sales, particularly in light of number rifles so chambered available on the used market in pristine condition. But here is an opportunity to gather the reasoning first hand, which is always the better choice.