Custom Skins.

[FlyingSquirrel]

You quoted the wrong one..
Anyways, one of the ones I would most like to see is Ogres being RPed.
Also, I don't really think Druids need a new form, and I think Druids of the Wild is fine for all.
Of course, I don't RP a druid but there are plenty of forms for you to take advantage of now.

[Piroska]

Actually I found yesterday about druids of the fang? They can turn into snakes. Is it possible to icly roleplay that?

I'm personally of the opinion that this should currently be a no. To my understanding, the Druids of the Fang currently all reside in Wailing Caverns and they're not all right in the head. They're supposedly making a return in Cataclysm, so we can see about them then.

[FlyingSquirrel]

Actually, when you enter Wailing caverns, there's a friendly Tauren. He is a druid of the fang, and is friendly. So, I suppose that it could be roleplayed, but very unlikely..ly?

[Piroska]

Disciple of Naralex is one who has remained uncorrupted (it seems that there are no tauren among the ranks of the Druids of the Fang) within the Wailing Caverns.

The Druids of the Fang, now infamous for a catastrophe in the Wailing Caverns, is the largest druidic group that retains a totem. The Druids of the Fang were previously a night elf faction devoted to healing the Barrens and returning it to its former lush glory. [...] Turning independent to entreat the tauren druids for help, the remaining druids now struggle to free their leader, defeat their evil brethren, and complete the goal of restoring the Barrens from the further taint.

[...]

The tauren took pity on the disorganized druids and invited them into their fold. Now tauren druids, while they do not directly order the night elves, guide them in druidic spells to try to cleanse the caverns, and give them places to train to increase their skills.

I'm not sure if the Disciple of Naralex is a Druid of the Fang. I was always under the impression that he was an individual who had embraced Naralex's efforts to cleanse the Barrens, as many other tauren druids have.

[Ometh]

Pssst.
Noting the talk about Savagekin.
Custom Races = No Prestige Class imo.
They're already unusual enough.