Guild Wars 2

Many PC gamers these days have mice with often 2 or more extra buttons. I’d really like the option to use these buttons in combination with keyboard. For example, i’d love to have:
1-5 = weapon abilities
mouse button 4 + 1-5 = 6-0 abilities
mouse button 5 + 1-5 = F1-F5 abilities

I believe this would help smooth out the combat experience for players who feel more comfortable with that sort of setup. With my keyboard, my F1-F5 keys are too far away from the WASD keys that I cannot keep strafing when I want to use them, and must rely on left + right mouse click to make sure I am at least moving in some sort of direction. Likewise with using utility & elite skills with the default bindings, you need to make a decision between strafing, or letting go of your mouse to press the buttons, and this mouse + keyboard combination possibility with keybindings would solve those issues.