Yeah, they usually don't pre-announce them when they are really bad.
I'm guessing it'll be some pointless DLC for something awful like Crackdown 2 and Risk Factions/Deadliest Warrior.
I bought loads of games in those recent big sales and so did lots of people on my friend list. Good deals = sales. M$ need to recognise that and stop trying to shift [Profanity Removed] avatar clothing.