He's right here. In regards to your original question (if you do end up having both OS's), definitely put one on each hard drive. Linux likes to play with the master boot record, and since windows is figety about wanting to be on the primary master, it's boot record also likes to be there. If linux overrwites the MBR, Windows won't want to boot. You'd have to re-write it by booting up with the windows install disk and repairing, then going back into it and adding the linux boot option. Not a hard task, but who wants to go through more work than needed? Installing one on each drive eliminates at least this possible dilemma.