yep
Guitar Hero.
Yes it does
The instruments are, yes.
No, guitar hero works with band hero, but guitar hero and band hero do not work with rock band and vice versa
You can
Yes.
No. None of the instruments in any RockBand/Guitar Hero are cross platform compatible.
Yes! http://gonintendo.com/viewstory.php?id=83661
Of course - yo caneven use guitar hero-instruments
Yep - theres a full chart here http://www.wired.com/gamelife/2008/11/official-guitar/ I have heard that the guitar hero instruments will not work with Rock Band: Beatles however boo to that
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