Several of the posts against me are ridiculous rants. A HUD does not have to be huge, it can be minimized. It doesn't have to be circular, it doesn't have to be square. It can be thin, it can be semi-transparent. Both of your arguments of intrusiveness and size are completely wrong. A thin, small and semi-transparent HUD can show it easily.
Also, a tank must know casting of the target and very often he has to know health. Health is mostly important in ads, but good luck when you think all bosses are Patchwerk.
