I have two LGs. I put computer fans in both of mine. I have an egg turner for one of them. I use the second primarily for a hatcher so I can do staggered hatches. They are okay once you get used to them. I think they work best if you can put them in a closet or somewhere where the outside temps are more stable. Also when you turn the little dials to increase or decrease temps turn barely a smidge until the light goes on or off. Then keep adjusting very slowly, giving it a little time in between to stabilize, until you get to where you want the temps to be. I also run aquarium tubing through a hole I made in the side of the bator to add water to the middle water reservoir via a huge syringe. I do the same thing with tubing to wet the sponges during the actual hatch. I have had some great hatches in them once I got the hang of it. Had some bad ones at first.
Overall, I like broodys the best lol but will probably invest in a 'set it and forget it' type incubator if I keep hatching chickens into next year. I started out with some cheap ones to see if I would really keep using them or not.