What's the difference between these two toy-lines? I just got my very first Alternator today and was very impressed with it. I noticed the line is dead, but seems to have continued with Alternity? They look similar, but from what I've seen pictures of, the robots have a different style to them. Alternators look more muscular and robotic like, and from what I've seen in photos, Alternity's look more organic? However, the cars featured in Alternity are pretty cool looking. Example, the new Nissan 350Z, and the Nissan GTR. Is this line-up worth looking into? How do they compare side by side?