We have an Equalizer. We bought it because that is what the RV dealer had available to sell us. I have never done any research on these hitches, so I have no idea what is out there. Seems to work fine for us.
My only complaint is the creaking and popping noises while turning.
2016 Jayflight 28BHBE Elite
2016 RAM 2500 Laramie Power Wagon (4x4, 6.4 Hemi, 4.10 gears).