Biome really has no impact on my decision at all. Other factors however, do ;)
A race that are good miners and blacksmiths and leather working and melding parts of bones/rare bones with metal weapons/armour with a great art in weapon smithing and Armour smithing.
Got to learn the properties of the metals, minerals/gems,hide,bones. Then be friends with a mage after a few lifetimes who can infuse there magic into those items.
Just a lonely peasant on the road looking towards a distance future with the sweat on my back and a tear of cloth in my hand a family crest it must be. A adventure will i have, I dream of dreams my destiny awakens me.
Friend Code: A48E0C
The only factor that could effect my choice is if a biome has a faster mount than any other. I plan on making a forensic school and it is likely that we will need mounts for investigating from the wake of a criminal who is likely already on the run. Got to make up for that time somewhere. I am sure I could purchase them, but I expect they will be stolen quite often, also they would be sought after by criminals. Horse theft seems like a good starting point for investigation.
honestly when it comes to playstyle I think it should just be up to a player, I mean think about real life. In real life there are certain areas that tend to have certain relationships with other areas etc... also there are groups of people that are known for having talent in certain things, however all that means nothing on a individualistic point of view, no one can force you to think any sort of way. Everything you choose to do is up to you, and that's how it should be in the game too.