I think this is definitely the droid you were looking for. I don't think Disney plans on doing this to R2-D2 in the upcoming Star Wars films, but Deviant Art artist MichaelO couldn't help himself. Here's what he had to say about the piece,
Here's an upgrade I'd like to see in the next Star Wars movie!
I got this idea from a swimsuit I saw online that had a similar design. I just hope I don't get in trouble with Lucas like they did!