I prefer the rose indien - the lighter vernis does not age well. Rose velours reminds me of marshmallow, which is so pretty but most of the bags on ebay look hideous. I was lucky enough to find a nearly perfect Thompson street last year. My SA has a marshmallow wallet that she has never used out of fear of what will happen to it. My guess is she has seen the horror that can become of lighter vernis and sadly, I suspect the quality of V now compared to then is worse.
I guess it depends on what colours you usually wear. If you prefer muted colours then go for the Velours. But if you want a colour that pops, then go for the other one I personally like bright colours on small items so I would go for the Indien.