Hi Sweepsnregs, I hope you have started with your project. I am sure it will consume a lot of time & very challenging. “''Live'' CD/DVD maybe even USB flash stick...but never rescue HDD)? So a rescue HDD possible?” Yes, it is possible. I have such rescue HDD multiboot with multipartition on USB external HDD. 1st Partition NTFS: full install XP system (portable) 2nd & 3rd Partition NTFS: 90% of Linux Distros work on this partition. 4th Partition FAT32: ...