Nintendo's results for the latest quarter reveal growth in profit for the Japanese games maker. Gross profit totaled 24.9 billion yen -- more than double that made from last year's Q1. Operating income remains negative, but substantially reduced since last quarter's statement -- presumably due to strong 3DS sales. Today's results tie in with the launch of both the 3DS XL and Nintendo's first downloadable titles for the 3DS, with sales of the handheld reaching 1.86 million units during the last quarter. Conversely, sales of the Wii have tailed off, with only 710,000 units sold in Q1, down from 1.56 million sold in the same period last year. Fortunately, according to the press release, Nintendo still aims to launch its Wii successor by the end of this year.