Something I noticed about moving .tib files. If you make an image.tib using standard compression, then move it from it's original location, it tends to get corrupted. (Obviously, not having to moving it at all is best). It seems however, if you make an image with no compression and move it, it remains intact. I made two .tibs of my entire drive--one with standard compression, and one with none. I moved them around a bit, then did some archive checks. The compressed one was corrupted, and the non-compressed one was good to go. Note, that while this test is not conclusive in any way, I thought I'd mention it.