It's still anybody's guess when the Touch Diamond will actually launch on Sprint, though the latest rumors suggest that it has once again been moved up to September 2 after initially being pushed back to October. The fact that promo materials are starting to show up would certainly support that theory, too, now wouldn't it?

[Thanks, anonymous tipster]

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HTC Touch Diamond stuff showing up in Sprint stores

Sony intros TA-DA5400ES and TA-DA3400ES AV receivers