For best flavor, allow the salad to marinate in the refrigerator for at least 15 minutes before serving to allow the flavors to meld. Toast the slivered almonds in a dry pan over medium heat for 3-5 minutes, or until golden brown and fragrant, for enhanced flavor and crunch. Adjust the amount of agave nectar to your liking, depending on the sweetness of the melons. Feel free to experiment with other types of melon, such as Galia or Canary melon. For a more intense orange flavor, add a teaspoon of orange zest to the vinaigrette.