I agree Thom, their backorder system is unique (odd), but not bad.
It is not quite right to say they always fill in a timely fashion, but they've certainly never done me wrong.
I got an email last year after being on backorder for nearly a year, letting me know that they were basically canning that backorder list and starting another, i.e., they never ran the batch. That was 9x23 Win., which has become niche only, so maybe not taken as seriously.
It's alright, it's their business. I appreciate them! And my experience across the last few decades has generally mirrored the ops.