Ok, so maybe you don't need this. But for a mere $600 you can turn your tiny Nintendo DS into a Jumbotron DS.
How you ask? Well, the simple answer is to take two table PCs screens, a programmable circuit board, and connect it to your DS via lots of soldering. But really, this is a project that only a serious hacker should take on. The Jumbotron's creator, Neal, gives a peek inside of how he did this here and click through to see a video of it in action.