I can't wait to start seeing some information on number 2.
I got my copy in last week, $25 on Amazon, and am loving it. So far I am cleaning out Medium and finishing off my 5*'s and am about to step it up permanently to hard. Most of the songs I have played on Hard haven't given me any trouble. I have to say, my Guitar Hero/Rock Band skills didn't translate over as easily as I thought.
Also, fuck Monkey Wrench/Sabotage. That shit sounds horrible and was fucking hard as hell. I've seen many people online saying that it seems like for that song, everything got thrown out the window about timing and whatnot.