I've shot four deer in the last two years and have found the 143 ELDX inconsistent for me.
First one was a small buck broadside at 200 that performed perfectly with a small entrance and a nice sized exit hole-ran 20 yards.
Second was a doe at 235 yards that didn't perform well in my opinion. Trashed the internals but never exited-ran 30 yards. Couldn't believe it didn't exit
Third was a doe that performed perfect. Lung shot that hit the offside shoulder, broke the bone and exited-ran 30 yards.
Fourth was a medium buck that a couple inches back, taking out some lung and liver and exiting the ribs far back and hitting stomach. Ran 150 yards, stopped and appeared to start to walk off so a shot to the neck put him down. This one was weird. The entrance hole was huge with hydrostatic shock evident for 6 inches+ in all direction. Small exit hole. If you didn't know better you would bet money that the entry/exit holes were reversed. I can't imagine that hitting one rib would cause that much meat to be inedible.
All in all, the results are so varied I don't trust the bullet. Not that it's bad, but with todays excellent bullets, why bother. I'm going to try the Sledgehammers. That should give a good consistency and a nice exit.
Here's a pic of the doe heart shot from a few days ago. Sometimes they work great