In the event that you still haven't pre-ordered The Witcher 2 from Good Old Games, there's another good reason to do so - you can download 95% of the game now so that you're ready to grab just the final bits of data when it releases on May 17th. And given GOG's release schedule, that will likely be during Tuesday's early morning hours.
To help you make up your mind, CD Projekt has released this "French Monk" teaser trailer, though its significance eludes me: