What is your unit software/firmware revisions currently at? Are you at 2.004 already (which is, from what I understand, really 2.0003 with the password bypass hack installed). Sorry, read your post again (more thoroughly this time around) and saw that already on 2.0004...
Once you're on 2.0004 all you need to do is download the CNSD-210FM torrent, and either install SD1 and SD2 on two separate SD cards (with SD1 on Card1, and SD2 on Card2) or use a single card in two steps process (unpacking the SD1 onto the card, updating, then removing that card, reformatting, then unpacking SD2 onto th