WBZ has the video (but it's not embeddable, so just follow the link). Here's Doc's transcript:
"So what… we all got pressure. When you go to the playoffs, and you're a basketball player, you have pressure! There's no added pressure… it's for everybody. Go ask Miami if they feel like there's any pressure. What do you think they're going to say? Yes. They feel added pressure. It's the playoffs, man. It's no different. Again… let me repeat this one more time… no matter what happened in the regular season, it doesn't matter. It doesn't matter. You feel like going into the playoffs you have to be ready. So it may look well on paper… and if you want to write the story, it looks good… at the end of the day, it doesn't matter"
This is about as animated as I've seen Doc Rivers. It's good stuff.