Both, because you can't have too much of a good thing.
I like the effervescence of the edt a little better, but the powdery richness and sweetness of the edp is preferable at other times.
If I had to choose I'd probably get the edt since they both accomplish much the same effect, and for the same volume it would probably be a tad cheaper. Both last extremely well on me. But since I did not have to choose...
(Repeat first verse)