You can still use the mouse for navigating. You should also keep in mind that one of the big advantages of vim is not just the ability to navigate quicker, but

You can still use the mouse for navigating. You should also keep in mind that one of the big advantages of vim is not just the ability to navigate quicker, but to combine quick movements with other operations -- for example, deleting text until a specified character, or copying text inside parentheses (from anywhere inside the parentheses).