Guitar Hero World Tour: Do we really need it?

After the success of Rock Band on both the 360 and PS3, and with the recent release on the Wii, I wonder if the market truly needs another full band music game. It seems to me as though the market for this sort of game is pretty much saturated at this point, and I doubt that many people who already own Rock Band will be racing to go out and spend $190 on a game they more or less already own, but with different songs.

Okay, that's not really true. Neversoft seems to be trying their best to distinguish World Tour from Rock Band. Their strongest new feature looks like it will be create-a-song feature, however only time will tell if this new offering proves to as fun in practice as the concept sounds. The new instruments do look better though, and the addition of a bass career mode is sure to appeal to enthusiasts. The guitar also looks more solid and realistic and the addition of cymbals to the drum kit is definitely a plus.

But, are these additions really enough to justify having both? My bet is not really. With other peripheral based games, a single franchise (like Dance Dance Revolution) is typically able to monopolize the market. The main difference here is that both Rock Band and Guitar Hero are so high profile that the public is hardly liable to let either fade into obscurity. If you ask me, this will likely be Neversoft's first and last venture into full band games, and they'll continue their success with what they've already established themselves with: guitar-only games.