What if Elise's damage were more on the DoT-side instead of burst damage?

Elise's Neurotoxin is one of the things that really holds her back from any sort of power because of how nasty a harass move it is. All you do is stack MPen and she can rip through your health easily, provided she doesn't have a mana burnout (ouch 100 mana cost). Same thing with her Spider Q - hurts like hell if she has enough MPen and you're low, so its numbers got gutted.

I had a thought: What if Elise was converted to do less burst and more DoT? Would that balance her out more?

"Why DoT?"

When I read "Neurotoxin" and "Venomous Bite", I keep thinking "poisons", but they're burst effects instead of the poisons we see on other Champions (Teemo, Cassiopeia, etc.). Doesn't exactly make a load of sense in that regard. Besides, a spider bite doesn't (usually) result in instant effects, right?

In a gameplay sense, DoTs would make the abilities less effective against opponents with shields, heals, etc., giving them more ability to counterplay them rather than just instantly dying to a burst attack. Plus the DoT's would work a little more nicely with her Spider W.

These are just theories, though. I'd appreciate some other player insight on the topic at hand.