I am note sure if this is the right place for suggestion but I'll try. I am a happy user of TC (WC) for many years and I am more than happy with it. Recently I got an idea for an improvemnet that is an absolute must

In Synchronize window I' d like to see two new right-click menu items, Pack Right and Pack Left. As the name suggests the action should be to pack files from coresponding list into a single zip file thus creating pre-synchonize backup.
Having Copy Right To... and Copy Left To... would be nice too. And right now it just crosses my mind - perhaps it would be just enogh to add "Feed [Right,Left] to listbox" action. Than TC can handle packing and copying and even more...