The Newest addition to DSi(1.4) compatible flash cards. So new, that the site doesn't even look ready. But from the pictures, it looks like it comes with an extra casing so you can replace the flash cards shell so It'll look like a regular game. Which means if you choose to do so, you'll have to open up the shell to take out the micro sd card to change firmware or add games.
here goes: http://www.dsfire2.com/index.html
EDIT: DX has better screen shots. Have a look http://www.dealextreme.com/photogallery.dx/sku.30660~seQ.5
here goes: http://www.dsfire2.com/index.html
EDIT: DX has better screen shots. Have a look http://www.dealextreme.com/photogallery.dx/sku.30660~seQ.5