You don't need to press end to enter end mode - holding down ctrl toggles it. So you can hold down ctrl and use arrow keys and, like it does with text, it will

You don't need to press end to enter end mode - holding down ctrl toggles it. So you can hold down ctrl and use arrow keys and, like it does with text, it will jump entire logical blocks - either continuous cells with content or continuous empty cells. Add shift as well as you select all that stuff instead of just bouncing across it.