The darker texture looks better with that woodgrain. The lighter woods usually have finer, straighter grains with not so obvious a pattern. It looks like you have both square and round knobs, which seems unnatural... if this is a new unit, the knobs would match. If the round ones are finger indentations so the doors can slide over each other, maybe that can be more clear? Middle unit upper section of sliding door... it almost seems as though you can see the left shelf behind the post? Many desks have small upright sections for bills and such: vertical pigeonholes for really skinny pigeons.