OKay, is not fully develop but it should works for all the DS roms. sample: DS emulator: http://www.megaupload.com/?d=N57D3RSU for the DS games, go to www.g-masters.com
There is one now with sound. Yeah!!!. No$gba isn't good at all. You have to go through a lot of process to get it working and some of the games still don't work.