I have debating between a red and a green convertible. I think the SSG looks great but I am afraid I would regret it down the road.
I have a red convertible because I like it. Viper prices do seem to vary a bit based on the color of the car. As I sure you have seen, the venom red Viper prices were/are considerably less than the other colors, based I'm sure on sales and popularity.
When the SSG came out it was very popular and people wanted it. I think it is still going well. Personally it's not what I would choose but I like it and it looks great. While liking the color, I also chose red as it should be easier to match during painting. I'm having a new hood put on right now and he is trying to match the paint. I'm sure SSG would have been more difficult. I would also guess SSG in general is probably more desirable and certainly not as common as the red but, that is a guess.
I guess the bottom line is, choose the color you like best for the money you are willing to spend. None of the Viper colors offered are way out there so I wouldn't have too much regret or worry about any of them. Just choose the one you would prefer and don't worry about what others think or what if down the road.
Just my two cents and it's worth about that.