Originally posted by: jdport
Actually I thought GH3 was a very fun game.... it didn't start to feel "lacking" to me until I got Rock Band. I think it's more a testiment to how good Rock Band is, than it is a knock against Guitar Hero. Guitar Hero is still a very fun game, but Rock Band just feels much more complete when you add in the drums and vocals and the ever increasing amount of DLC available. Plus the songs on the whole are a lot more fun in Rock Band (IMHO)... because they are whole band songs and not just guitar songs... it seems like they have a lot more songs that are meant to be fun and songs that everybody knows rather than songs with no purpose other than to make your fingers cry (like Raining Blood, and TTFAF).
I'm starting to babble, so to skip to my point: It isn't that GH III sucks or is not fun, it's just that Rock Band is that good.