Some projector mounts are specific to certain projector models, which might be the right choice for you. But if you want the possibility of switching out your projector in the future, you could benefit from a universal projector mount.
In all likelihood, you will also want to pair your projector hanger with a wall-mounted projector screen. You should ideally install the projector and screen at the same time so that you can achieve the best angle and distance between the two. Your image quality depends on the right relationship between the screen and the projector mounting bracket.
For increased quality, consider projector accessories, such as projector lenses. You can also take a moment to read up on everything you need to know before buying a projector, which will cover factors like placement and resolution.