We've created new freeware plugin to Quick.Cms v3.x.
Plugin accelerates the generation of page more than 15%. It uses serialize() and unserialize() PHP functions to cache script variables and saves to files in "db/" directory.
You should know PHP basics to install this plugin.
Check out this plugin here: http://opensolution.org/download,en,18.html?sDir=Quick.Cms/plugins#cacheLite_v0.1
More information and all comments are here: http://opensolution.org/Quick.Cart/forum/new-freeware-plugin-cachelite-v01-for-qc-v4x,7606.html