Sure man, any time. Hopefully someone will bring out a decent competitive mod sometime.
Also, I've found the most fun thing in any game, ever:
1. Pick remote control car bomb as a killstreak reward.
2. Grab 3 easy kills.
3. Hide somewhere secure and away from everyone.
4. Drive the car at a solitary enemy.
5. Chase them across most of the map without detonating so they just keep running while crapping themselves.
Also, going for ridiculous tomahawk kills and finally pulling one off after half an hour is so satisfying.