I can't say that
the Rock Band 2 song list particularly excited me. There are around 7 songs I like. There are a few more I'd wouldn't listen to on the radio if them came on, yet I suspect might be fun to play. While the set list didn't particularly excite me, the Export Disc feature and news that they will have the 500 songs available by the end of the year did. I really thought they wouldn't let us import the songs from Rock Band into Rock Band 2. I'll be able to yet a set together that I actually like to both hear and play.
All the interface changes, the no-fail, the Ion drum set ($300), drum training, and pretty much all the changes they mentioend are exciting as well.
There are still a large number of big artists that surprisingly are not available yet. The Beatles, Led Zeppelin, Pink Floyd, The Doors, Yes, Michael Jackson, and Prince to name a few. (Also Van Halen is exclusive to Guitar Hero unfortunately.)
I guess I need to make the prerequisite wish list of songs for Rock Band or Guitar Hero World Tour. The songs I want the most don't really fit the way they are doing things. They are focusing on band songs rather than drum solos. I also want 20+ minutes songs, but yet I find the 9 minutes in the game to be too long. I might have to make two lists.
The thing that I keep expecting is a drum solo setlist, but this isn't Drum Hero. If it was Drum Hero rather than Rock Band, there are obvious “drum songs” I would want. For instance, The Rhythm Method, YYX, Wipeout, Toad, and Moby Dick. I would also want some of my favourite drummers featured more, like Bill Bruford (Yes, King Crimson), Mike Portnoy (Transatlantic, OSI, Neal Morse), Billy Cobham (Mahavishnu Orchestra), Tony Williams (Miles Davis), Carl Palmer (ELP), Neil Peart (Rush), Pip Pyle (Gong, National Health), Pierre Moerlen (Gong), Andy Edwards (Frost*, iQ), Christian Vander (Magma), and Morgan Ågren (Mats/Morgan Band). I'm tempted to list Frank Zappa up as he wrote up the drum solos and I don't want to list only one or two of his drummers. You'd also have to add Buddy Rich, Gene Krupa, and a host of other jazz, fusion, and post-rock drummers. Hell, they could do Jazz Band along with Rock Band.
For bands, there are the no brainers like the Beatles, Led Zeppelin, and Pink Floyd. Maybe I should be thinking in band 12-Packs.
A Bill Bruford pack (including tracks from his book
When In Doubt Roll plus some newer stuff like from Upper Extremities) or Yes and King Crimson Packs. Either would be good.
A Frank Zappa pack. Some Montana, Yellow Snow, Peaches, and to be evil Black Page.
While Nick Mason is not a virtuoso, I'd love a Pink Floyd 12-pack.
I'd also like to see some newer prog. Porcupine Tree, Marillion, non-Dream Theater Portnoy, Frost*, iQ, and so on.
Hopefully prog and fusion will be well represented in those 500 songs.