(Post edited because, as Tingler pointed-out, the lawsuit's already been reported.)
I won't let you feel too down about the lawsuit, so here's a Flickr account Tim Schafer created for you ground-walkers, full of E3. Brütal Legend has also been nominated for a couple of Best of E3 awards, specifically from IGN and 1UP.
They've also posted photos of the real-life Tenacious D guitar, which has a little Jack Black doing a little Kyle Gass at the bottom there, the Tenacious D members pretending to be 2HB or the Tenacious D members flying naked through the sky. Depends on who you ask/what you want to see/your own personal sex fantasy (you can sing that sentence). The guitar is going to be given to a person chosen from the Brutal Legend mailing list, provided they live in America (as the official rules say).
PS: Good luck Double Fine!