Apropos PT short cuts, I tend to always forget them.
I deal with several DAW systems at work, and a lot of times we need to figure out what we need to do for a certain task within a project and evaluate all systems to see which one will give us the best and most efficient work flow.
This includes figuring out how to automate certain operations as well as finding short cuts that will do the job. It's not unusual that I get a programming engineer to add a function to the DAW or hack something together for me.
PT is often not the optimal platform, other times it is the least bad one. When I'm finally doing work in PT I learn all the short cuts I need for the project and become super-fast while working away.
Next time I'm using PT for something else I've already forgotten half of it, but then again there's a new task in front of me which requires new ways to do things.
In other words, I tend to get away with reading up on PT short cuts and behaviours just before it's time to do some serious work. I realize you can't get away with it should you work as a DAW jockey and PT operator in a commercial studio.
The last couple of days I've only been using 3 and 0 on the numerical key pad, option+c and command+s.
Cheers,
Danko