I found dsbuff 0.61 BETA after a lengthy search which can unpack NDS roms now I need a way to unpack one of the files it gave me cpac_models.bin.
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System: Windows XP Pro Service Pack 2,
Processor: Pentium 4 2Ghz,
Sound: Philips Sonic Edge 5.1 PSC605
Graphics: Leadtek WinFast GeForce TI 4600 (A250 ULTRA TD) DirectX 9.0C,
DDRAM: 768MB <PC2100>