1) There is a stickied Thread for New Category Ideas
2) This obviously isn't a new idea and there is already plenty of discussion about adding this category.

NG Level 1 to 70

Deln

VelaRUS

Mitsunee

Diablo III: Reaper of Souls

Cassiopeia

roxornoob

Crusader

Demon Hunter

Monk

Witch Doctor

Wizard

Barbarian

2 Player

3 Player

4 Player

Necromancer

New Game

New Game+

Class

Player Count

NG and NG+ 1 to 70 variable

NG and NG+ Coop

NG and NG+ Console

Character

Handcam

Diablo

General Questions

Category Ideas

Modded Gear issue on Console Edition

Hand/Monitor Cam

Confusion about the new Leaderboard

100%

PotatoBacon

ImmortalChamp

TTInquisitor

Lightrockgaming

Hanoumatoi

FrostWolfx86

Garfm

meatr0o

Heckson

ViperD3

Pokeytoe