Now that more content is possible, how much would the community be for or against the introduction of a transmog system?

Whenever you loot a weapon or armour, you also unlock that items appearance. identification required for some.

In Act 5, Anya has a new option to change the appearance of your equipment in exchange for Gold.

You can also change the colour of the equipment, based on how socketed gems change the colour of your gear.

Transmog is, after all, the true endgame.