I said "GH4", not "GH3" so your argument doesn't make much sense.
Also, about 2-3 million people have bought GH3 for the Wii. If you buy GH4, your guitar will work with it and you'll have four instruments...if you buy Rock Band, the GH3 controller won't work. Compatibility could matter.
Since GH4 will be coming out around the same time as Rock Band, it's the real competition for it, not GH3.
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I said "GH4", not "GH3" so your argument doesn't make much sense.
Also, about 2-3 million people have bought GH3 for the Wii. If you buy GH4, your guitar will work with it and you'll have four instruments...if you buy Rock Band, the GH3 controller won't work. Compatibility could matter.
Since GH4 will be coming out around the same time as Rock Band, it's the real competition for it, not GH3.