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Yeah sorry, you are right. Didn´t read the demand for ELVUI ;)
But: ELVUI isn´t capable of showing debuffs directly on the nameplates, is it? At least it didn´t work for me.

Hmm yeah, but that´s not really an addon per se. It´s a complete UI and as you said: Full of bugs atm ;)
So, not an option, at least for me.

There is no possibility in TBC sadly; I´ve spent a lot of time on google for it. Seems, that Blizz removed the option of having direct access to the nameplates.
That´s why there aren´t many...