"Almost 20 percent of Nintendo DS purchases that are being made today are to replace a current DS, either because the consumer broke it, lost it, or they were simply enticed by a new color scheme or the 'Lite' features," said Electronic Entertainment Design and Research analyst Jesse Divnich in a note to Edge, citing internal estimates.

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He also said he believes the DSi is a response to flagging Japanese sales of the DS.

Divnich added, "Japan is a different story [than the West,] as the PSP is considered a much bigger threat to the Nintendo empire than the PSP is in North America.

"These new features in the DSi will help give Nintendo an even bigger competitive edge over the Sony PSP."

Reat whole story: http://www.edge-online.com/news/analyst-20-ds-consumers-repeat-buyers

Thats...Pretty interesting...I just thought i should get Ds again..

So they make a response to bad Japanese sales after sales increase placing the DS 1st?

Doesn't surprise me at all. I thought it might be a higher number than that, actually.

But before anyone starts to adjust the DS sales number, remember that a large number of those replaced DS units were re-sold.