If you’re a rock band fan, you’ll want to checkout their new hype wagon trailer. Nothing new here, really, looks like they’ve added some “70’s style” effects to the character animations on certain areas. The Rock Band 2 title seems to adopt much from its original game in terms of graphics, rendering and overall design.
Notice the fret board looks the same, they’re sticking with the “square” pattern matching boxes for playing specific notes/beats. Some folks prefer the Guitar Hero “circle” patterns but so be it, they’re sticking with their current design. Hopefully, they’ll glow the hammer-ons or make them a bit more apprant because many Guitar Hero folks have a steep learning curve with the smaller notes for hammer-ons.
Nintendo has 
Now that Blizzard feels their engine is solid, it’s time to move on to creating content for the full game. Jay Wilson, Diablo 3‘s lead designer, says the game engine is in an advance stage of completion and much of the art team has moved onto Act 2. Don’t read into that, he said game engine.