I dunno... that's a lot of dough to shell out for an entire band's worth of fake plastic equipment... I don't care how much it rocks.
I'm not sure yet if it's being released for the Wii... but if it is... then will it have downloadable songs released for it in the future? I think that would likely be a bit of a strain on the Wii's SD card-based memory. Sounds like a great package for the XBox 360 however.
But irregardless of all that hype... Guitar Hero III IS being released for the Wii... and it will be online multiplayer.
But better yet... it has this song: