>although maybe you're mixed up because lots of people blow
>UAVs right after a teammate used one, which just makes it
>redundant. If there's already one up, I always hold it until
>my team goes blind again.

In COD4, you had to blow it right away because it was a use-it-or-lose-it situation. Now, as you said, its better to hang on to it until you need it. One of my favorite changes to multiplayer.