Dolphin Anti Spam by Deano - http://www.boonex.com/m/dolphin-anti-spam (This is the most important to me)
Page Editor - http://www.boonex.com/m/page-editor-2011-10-26 (Editing lang files for content pages is terrible by default. This helps)
Auto Mailer by Modzzz - http://www.boonex.com/m/auto-mailer
Deanos Tools as mentioned already
Hypernova template by MasterTheme (You can make this template into 1000 different templates with no code experience)

While I have your attention. Please give see more the option to turn off/on star ratings site wide. Even better integrate this through out dolphin as a rating option to bring us up to date http://codecanyon.net/item/thumbsup/50411?WT.ac=search_thumb&WT.z_author=GeertDD