Dynamic Placeholder Keys

This post is just a bookmark for ourselves to this very interesting solution by Nick Wesselman to resolve the problem we have in Sitecore when adding multiple sublayouts of the same type into another sublayout.
Here is his solution: http://www.techphoria414.com/Blog/2011/August/Dynamic_Placeholder_Keys_Prototype

Even more goodies about Page Editor from Nick in this must-see post: http://www.techphoria414.com/Blog/2012/May/Sitecore_Page_Editor_Unleashed