First time I've noticed it.
I would also like to mention something thats been annoying me regarding co-op play. If, for example, you are playing co-op with someone else and two CPU. You choose, say, red, and the other guy chooses green. If you have a change of heart and decide to change to blue, you will find that you can't. The only selectable colours are red and green. To go to blue you will have to either drop out and rejoin or join green then join blue.
*sorry if these have been mentioned
