We've created new freeware plugin to Quick.Cms v3.x.
It hides all subpages in admin panel pages list and leaves only main pages. You can display and hide subpages list by clicking in "+/-" button.
You should know HTML basics to install this plugin.
Check out this plugin here: http://opensolution.org/download,en,18.html?sDir=Quick.Cms/plugins#hideAdminSubpagesList_v0.1
More information and all comments are here: http://opensolution.org/Quick.Cart/forum/new-freeware-plugin-hideadminsubpageslist-v01-for-qc-v4x,7598.html