@Powertrade,If it truly is a replacement and is (as I believe it will be in August/September) then the current iteration is going to be curtailed during the peak Xmas season...so I don't see the current version selling close to its norm for fiscal 2010.
DS Lite Announced Jan 2006 ... on sale March 2006...a 2 month delay. DSi Announced Oct 2008...on sale Nov 2008.. a one month delay DSXL/LL Announced Oct 2009...on sale Nov 2009...a one month delay.
Given the above I don't see why a June reveal of the 3DS would result in the product not launching fairly soon after.
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DS Lite Announced Jan 2006 ... on sale March 2006...a 2 month delay.
DSi Announced Oct 2008...on sale Nov 2008.. a one month delay
DSXL/LL Announced Oct 2009...on sale Nov 2009...a one month delay.
Given the above I don't see why a June reveal of the 3DS would result in the product not launching fairly soon after.