I have heard that you are not suppose to put 2 hard drives on one IDE channel because it will slow them both down. I was wondering what kind of performance loss i would see? I would do alot of large file transfers from drive to drive. I plan to do this with 2 200GB 7200RPM, 8MB cache drives. My 200GB drive is slowly dying and i need a new one to back up the data, but it works fine most of the time so i figure ill keep using it for unimportant data. (oddly enough the click click sound that the hard drive makes when it wont boot, goes away when i hit the tower rite where the harddrive sits?)