Keyboard keybinding is very personal and every player should edit and adjust their abilities to their own taste. With that said, in the linked video Vulkk shows us his personal bindings for both keyboard and mouse as well as various tips, tricks and reasons why certain skills should be located in certain spots and what is the logic behind each and every bound ability.

The video examples the Jedi Sentinel keybinds, but the guide is made to be valid for all advanced classes. The ideal system is when all keybinds are the same or very similar for all of our alts, which makes remembering key press combinations a lot easier and saves us time.