The Wall Street Journal posted an article (membership required) about the heated battle between Sirius and XM. What’s interesting is that Sirius just launched a video trailer about Howard Stern’s January debut, but since it’s too "raunchy" for TV, they’re showing it during previews at R-rated movies, and—here’s the part we like—they’ve sent it via email to Howard Stern’s opt-in list. We found a copy of the Stern email trailer here (Flash animation with sound. It’s raunchy, but not graphic). Say what you will about Stern’s show, but kudos go to Sirius and Stern for using email to keep things true to his personality (you know TV woulda blandified it).