[As part of his May NPD analysis of U.S. physical video game retail, Gamasutra analyst Matt Matthews sizes up U.S. sales of the Nintendo 3DS to those of the PSP and DSi, as Wedbush's Michael Pachter tells us the $250 device is "still a luxury item for hardcore gamers."] While Nintendo is managing the end of the Wii and the beginning of the Wii U, they are also managing four different models of …

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Analysis: U.S. 3DS Sales Lag Behind DSi, PSP Launches