Here is a cool video recap of the original 70s Challenger. Dodge Challenger - Classic Muscle Car Reviews - YouTube
Here's a comparison of a 1970 440 six-pack R/T vs a 2008 SRT. The new Challenger vs. the World [S3 Ep.8-1] - YouTube
I had both in my garage but not, unfortunately, at the time time. I used to own a 1971 'Cuda (Rallye Red) and now I own a 2009 Challenger SRT (Hemi-orange).