All those icons, there certainly are enough.  I've listed those page and content icons that I know we work with on a frequent basis.  As I find more (and I'm sure I shall) I'll add those to the list.

Click image for full size:

• Special content
• Regular Text Element
• Insert Records
• Site Map
• Header Only
• HTML
• Mail Form
• Plugins
• JF Multicontent

• Finding page properties
• Standard
• Shortcut
• Mount Point
• Link to external URL
• SysFolder
• Recycler
• Visual menu separator