M3 is saying they’re about to unleash the SD/CF cartridge they’ve developed specifically for Nintendo DS hardware that brings the goodness of the GBA Movie Player to that console. The device plugs into your DS and lets you watch movies, listen to music, view images and e-books, and play NDS and GBA game ROMs. No price is yet listed, but the developers appear to be aiming for a release in the next few weeks.

http://www.m3adapter.com/