To date I haven't change a lot either. One toolbar with a handful of commands I often use (i.e. export all midi) and a toolbar with color buttons to ... erm ... color the tracks. Think it's from Evildragon, downloaded from the Reaper stash. The menus remained untouched. I learned to overlook the stuff I don't need.
All in all it's the same as with other DAWs or feature loaded apps (Word, Photoshop, you name it): you usually only use a small percentage of all features during daily work. After a short time the key commands for your main tools are "hardwired" in your brain.
