The 3DS is the successor of the DS family. It takes gaming to another dimension. It holds 16 gbs in the system memory and comes with an extra 2gb sd card, of course you can upgrade it. Its very robust and the two screens are both LCD now. They can show up to 16.77 million colors. You can play DS games on it and soon you can play DSiWare, and gameboy games via Nintendo eShop. The eShop is a store where you can download games, watch demos, and watch trailors. There will also be an internet browser, NetFront, you can use to come.....here. You can also transfer already purchased DSiWare to your 3DS.