Aeroflot Russian Airlines recently released a video showing the planned configuration of their Boeing 777-300s. From what I could find online, it appears their first four will be delivered next year. Wikipedia reports Aeroflot ordered a total of 16.
President Class (business class) looks comfy in a 2-2-2 configuration. The seats are ever so slightly staggered in each row. I love the mood lighting.
Premier Class doesn’t look quite as stellar as the current generation of other airlines’ premium economy sections. The layout here is 2-4-2 with a gap between the middle section of 4 seats. I do quite like the color scheme of those seats.
And economy class shows a 10-abreast configuration (3-4-3).
Here’s the (silent) video: