DS Emulator

Hey i'm trying to find a good nintendo ds emulator. Can you guys help out. And please post some sites where i can get ROMS.

Rubbish, there is no justification for wanting to emulate the DS when you already own one. Why would you willingly put up with a *worse* playig experience, clumsy controls and having to emulate the touch screen with the mouse? What you actually want is a way to play games without paying for them, which is why we have flash carts and BitTorrent.