I think the front looks great as is
The sides - look ok as are
The back - I think needs to be colour coded
Which then means colour coding the lot...
Sorry!
I'm with you on the seats though - why not?

If I can persuade the missus that we only need 3 doors next year, then R seats will be on my 'to get' list
Just don't go replacing the Type S stickers with Type R ones

(not that I'm suggesting you would

)