Okay, Boliver, so you don't know what Dr. Beat is.....Well, for starters, it costs about $150 in the US--I don't know about U.K. Most metronomes just click and various speeds.This one has sliding levers that control the volume of the quarter, the eighth, the triplet, and the sixteenth. Each beat or division of the beat has its own timbre, so you can hear the rhythmic shadings. Also, once you get the quarter going really fast, the divisions of the beats get faster than what any normal metronome could handle. If you turn up the volume on the quarters, eighths, and triplets, you get two against three. Plus, you can choose what meter you want, and it will give you a nice metallic thwack on the downbeat. If you turn down the volume on the quartes, eighths, sixteenths, and triplets, you can just hear the downbeat. And if you put it on 6/6 time signature, you can get just one beat every six seconds. At my school, we call it the cosmic whole note and have contests to see who can accurately clap along. It also has a nice feature where you tap on a button at a certain speed and it displays your tempo in a friendly digital readout. With this metronome, you can do insane things, like play a fast movement of Bach and hear a click on every sixteenth note.