You'd never be banned for this, haha. There are sites who distribute ripped assets and have done so for years and years. Now if you were selling them... well, that would be a different story. (Edit - Also, I would never put them into an Arcade map. But, I never make anything for the arcade, so that part is just a given for me.)
And I have been to Xentax - I've PM'd you on there before! :3
I'm trying to redo the model on the Troll, since it is about 12K polys! Way to high to be used as Strategy Game Unit, I'm down to About 2K, still need to do the weapon and the fur. So I'll end up around 2.5K, hopefully not to high for a SC2 Basic Unit.
Than up to the texture, mainly it will be from the original model but I need to add some team color and some variations of course. Maybe something like a troll set :D
I also need to add a death animation,since all of them are using raggdoll stuff in HotS.