You'd think 19 minutes of a trailer would get boring, but in this case, it doesn't! Gamevideos.com provides a copy of this video, featuring a guided tour of gameplay (taken from the Blizzard site, which is understandably a bit hammered at the moment). Our initial impression? HOLY CRAP! Catch the video, and our more detailed impressions of it, after the break. I'll be right back, I have to go change shorts.