I am trying to decide whether I want an Ion Redline or the Cobalt SS. Just wanted to get some opinions. A lot of the reviews say that the SS is a much more solid built car than the Ion. Many of the reviews said the Ion did not have a very quiet interior and that it just seemed "cheap." I test drove a redline a few weeks ago and fell in love with it. I like the styling on the SS more but have not had a chance to drive one yet. What do you guys think.