So the rumors about Nintendo releasing a new DSi with a bigger screen (we reported Monday and Tuesday) were true. Big N officially announced a new DSi in Tokyo today, the so-called DSi LL [JP]. It has a 4.2-inch screen, will be released on November 21 in Japan and is priced at $220. Buyers will initially be able to choose between brown, red and white versions.

You’ll get two pens with the handheld. One is thicker and 129.33mm long, the thinner model is 96mm long. There’ll also be three DSiWare games pre-installed (two brain-training games and a dictionary).

The DSi that’s currently on the market has a 3.25-inch screen (the DS Lite only had a 3-inch screen). Nintendo says the DSi LL is especially designed for a better Internet surfing experience. It’s 21.2mm thin, but it’s thicker than the current DSi (18.9mm) and way heavier (314g vs. 214g).

Nintendo Japan’s web site is in Japanese (obviously), but this page visualizes the difference in screen size between the “old” DSi and the LL (just hover your mouse across the screen).

Nintendo has yet to announce international sales plans.

Update:

Kotaku reports Europe gets the new DSi model in the first quarter of 2010. It’s going to be called DSi XL there. No word on a US release yet.

Update 2 (more pictures):