Since we posting general Cannondale aluminum, I guess I'll show-off my aluminum Cannondales:
This is the $75 bicycle that started it all and I still ride it around and leave it outside bars and at the [car]racetracks; it probably needs to go to the landfill at this point because it's trashed, but no one would steal it:
This was a $200 CL find, my first roadbike, and although it's too small I did about 500 miles on it before getting a modern bicycle (not a CAAD). :
This is my MTB which is also Cannondale and aluminum:
sorry about the non-drive side photos.
...and I'm reposting my special-lover bicycle: