I'm in the cheap camp. No matter how I reason it ..expensive doesn't work for me.
If you've got massive deposits, you're going to saturate the filter whether it's fine or not. No matter what, you're going to have a short life on the filter just due to the Auto-Rx clean cycle. What any filter does not remove will be removed when you exchange the sump. If it's saturated, it doesn't matter whether it's a cheap filter or an expensive filter. If it's not saturated, then it also doesn't matter any more or less than if you used a fine filter vs. and inexpensive filter in normal service.
I wouldn't use any filter under any circumstances unless you can get your money's worth out of it.