Oh damn, didn't think of that. Now that I think about it I don't think it even asks which NAND it wants you to unbrick. I had 3 NAND backups on my SD as well, "NAND_emu.bin", "NAND.bin", and "emuNAND_formatted". Edit: Yeah it doesn't ask which NAND it wants to unbrick, it just goes on ahead...