Voice and SFX packs someday?

Just thought I would mention how cool it would be to have more than 4 voices to choose from for our characters as well as alternate sound effects for skills/spells. Imagine a Doomsday meteor that goes BONK! or having a disinterested Sorceress voice when she casts spells with a passive-aggressive tone. For those Gunlancers, imagine the Leap landing noise replaced with a BOING.

I know it would be a lot of work to make these but I would love to pay for more than just visual skins and effects!