I have been a GH user and RB1 and I can tell you, the tracks for RB2 are terrible. It's like they are trying to annoy us with the song selection. Bad songs that are not enjoyable to play. I do like most of the new features though and therefore it's worth having.
Rock Band 2 has a great track list, but so does Guitar Hero WT.
RB2 has the solo guitar buttons, but GTWT has the slider.
RB2 has a great new drum set, but GHWT has the cymbals.
Bottom line is GHWT has overtaken RB2 with a huge serge of innovation... The slider is sweet, and it can be used for slap notes on the bass! The cymbals are super cool, although they are a little louder than I'd like, and they do have a pretty "plasticky" sound to them.
Bottom line is RB2 is the same as RB, but a new track list. Nothing fantastic by any stretch of the imagination.
Rock Band was a giant hit, sure, but Rock Band 2 does its share as well! With a new 84 song list (all masters), improved online play and new peripherals, it's a dream come true for that music lover.
If you know Rock Band, essentially, it's the same thing. Aside for the new modes and whatnot, this should be a nostalgia moment here.
New? Let's start.
Let's talk specifics. There's not much to say about the graphics. They're a bit better and more crisp than Rock Band, but overall, they seem the same.
There shall be no comment about sound. With 84 songs (and they're all master recordings), about, like, 350+ downloadable songs (at the moment), and 55 songs from Rock Band (port them for the low, low price of $5), this will be music to your ears (pun intended).
Gameplay seems simple enough. Guitar Hero fans should be very comfortable with the guitar/bass gaming area. Vocals is also self explanatory (unfortunately, you may hum the whole song, which is cheating). Now, when we talk drums, we talk fun. Letting all your stress out on a piece of plastic (and being encouraged to)? Perfection! Also, who could forget the online play? The ability to play tour online is fantastic (endless setlist 2, here I come), with more nice tidbits such as Battle of the Bands, some challenges, and a few cheats to enhance your gameplay.
Replayability is endless. This is a party game, for goodness sake! 84 songs??? I don't know about you, but that's enough to keep me playing for a LONG while (don't forget the online play).
Overall, Rock Band 2 is probably one of the greatest games I have played in a long while. Got $50? Go! Buy it!