If you feel strongly about keeping all of your most-frequently-used items out and visible (instead of stashed behind cabinet doors) but don't have counter space to waste, add a level of shelves on your backsplash to store those items. See more at The House Diaries »
Pinned for the idea. Not sure how much I like the extension over the toilet. If were to do, vanity top should be one piece, with no cut line. Also: Consider how much the extra counter space would be needed.