Joe look at this thread
ERA vs SPF
that should keep you busy for a while. Then do a general search for ERA v. spf. There is a lot if info on this site about the two. If you still have questions after you've read all the info, then fire away.
Both are great cars, but if you're in Danbury, you'd be crazy not to go with ERA (but I guess I'm a little biased)
And you're right, you can get a good deal on used cars now.