In a pre-Friday update Gamespot has posted a Developer Dispatch Video featuring the Bioware team going into some more detail on the companion system. Check out Devs on Companions for the video as well as a Q & A with James Ohlen!
I really don't understand racism in the real world. People are what
people are, regardless of skin pigmentation or where their ancestors came
from. There's really only one real-world race - the Human Race - and I
loathe everyone equally.