If speed and competition are your focus, look for a lightweight build, strong power delivery, and a responsive, low-latency control link.
For cinematic or freestyle flying, a well-balanced frame and smooth handling matter more than outright speed.
It's also worth considering the broader ecosystem—battery compatibility, parts availability, and how easy it is to repair after a hard session.
In the end, the best setup is the one that feels predictable, responsive, and easy to rely on every time you take off.