The SDCard HxC Floppy Emulator is available :

The SDCard HxC Floppy emulator can be buy on the Lotharek ebay page :

http://shop.ebay.co.uk/lotharek1977/m.html

Or on the Lotharek online shop:

http://www.lotharek.pl/
http://www.lotharek.pl/product.php?pid=13
http://www.lotharek.pl/product.php?pid=18

Specifications :

Device specifications:
http://hxc2001.free.fr/floppy_drive_emulator/SDCard_HxC_Floppy_Emulator.pdf

User Manual:
http://hxc2001.free.fr/floppy_drive_emulator/SDCard_HxC_Floppy_Emulator_User_Manual.pdf

For more informations, software update and firmware update:

Project website : http://hxc2001.free.fr/floppy_drive_emulator
Project Forum : http://www.torlus.com/floppy/forum
Official seller : http://www.lotharek.pl/

Some youtube videos showing the device in action:

SDCard HxC Floppy Emulator on Amiga 500:
http://www.youtube.com/watch?v=MzfUZorBayw
http://www.youtube.com/watch?v=p1zP6p9SBLw

SDCard HxC Floppy Emulator on Atari ST:
http://www.youtube.com/watch?v=g6dBTyfPrkg
http://www.youtube.com/watch?v=8O74GgYcA3w

SDCard HxC Floppy Emulator on Amstrad CPC:
http://www.youtube.com/watch?v=xeJvNCPMU-c