Whew! thanks EricoSD... I was beginning to think that I had flushed more money that I really shouldn't have spent down the toilet. I guess I should have specified that I didn't mean a partition setup on a common drive. What I bought is a caddy into which you mount a hard drive. The kit includes a rack that installs into the computer, and you plug the caddy into it and boot up. (Takes about 4 seconds to swap, 3 if you're in really good shape) The hard drives become like mega floppies complete with OS, files, storage and software. ...was worried there for a second...