What would be the best way to back-up Dreamcast files? I'm wanting to save the rar/.7zip files I've downloaded incase something happens to my burns and I won't have to re-download them again. I tried backing up some on an DVD and I guess I messed something up because when I put in the DVD into my computer it locks up until I eject the disc then it starts working again. Had thought of just backing them up to an external HD but that seems like a waste of a HD just to have sitting around when I could be using it for other projects.