My thoughts: Cakewalk have pretty much got it spot on for the first four and I just stick with the installation order. Then, it tends to vary depending on the project I'm working on, but 'Punch' and 'Markers' are often up there. After that it probably doesn't matter much, I just look for the module I want and use it.
I think if I started moving them around too much, it would just confuse me. My attention and recall functions are not what they used to be. Heck, if someone moves a chair in the kitchen I will stub my toe on it for days before the new position sinks in. The someone will move it back...….