The Nintendo DSi in its current form is just about to round its first Japanese birthday on November 1st, and if Nikkei has anything to say about it, the two-screener's all set for an oncoming growth spurt. According to a report from the publication, who has a good track record on Nintendo reports thus far, a new DSi with 4-inch screens (versus 3.25 currently) is coming to the land of the rising sun sometime before this year's out. No other spec differences, the rep