Denny,
I recently ordered 2 cases of the Dupli Color DE1618 alpine green and a case of DE1612 from Amazon for $26.75 per case of 6, free shipping. Way cheaper than I could find locally.
My first case lasted 6 or 8 years.
Personally I wouldn't bother buying a can from here and another from there and so on until you find just the shade to please you. Instead just go buy a lot at once so it matches anything you do for years to come. Also remember it's likely to be a dirty/dusty engine under the shadow of a hood between two black inner fenders, it'll look just dandy whatever shade of alpine green or yellow or whatever it ends up.
Grigg
