I think AEM has more upside, but CDE has a better risk/reward profile. Both companies have relatively new mine portfolios, so they aren't suffereing as much as say NEM is with Boddington. Here's a good writeup...http://seekingalpha.com/article/739641-coeur-d-alene-mines-an-easy-double-with-additional-upside-as-precious-metals-appreciate
bs! CDE is and will always be a dog!