Eh, the ecchi in DxD is actually a lot tamer than Qwaser really. The furthest we get is just (near-) nakedness with DxD, which is otherwise pretty common ecchi.
Qwaser has girls getting molested and such pretty much every (other) episode and whatnot.
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"I'll show you that a superior mobile suit has its limits when it goes up against a superior pilot!" - Char Aznable, The Red Comet
"Come on! I don't feel like losing!" - Johnny Ridden, The Crimson Lightning
"Hatred is the root of all war! That's common sense, boy!" - Anavel Gato, The Nightmare of Solomon