I’d been using my old rotary setup for years, and while it still got the job done, it just wasn’t keeping up with what I needed anymore. I recently decided to invest in the Vlad Blad Ultron 4 Pro, and it felt like a huge leap forward. First thing that hit me was the build — it's incredibly solid, made from aerospace aluminum and titanium, but still feels really well balanced. The battery life is no joke either — I easily get full days of work without recharging. What sold me though is the combination of stroke range (3.2 to 5.5 mm) and the SmartHit modes — you can feel it adjusting to how you’re working in real time, and that helps a lot with consistency. Shading feels smooth, lines go in clean, and the motor doesn't lag even on low speeds. It’s also the quietest machine I’ve used so far. Definitely not just a flashy gadget — this one is actually built for professionals who put in long hours.