I have the following Sata Hitachi 160gb dk model maxtor/seagate 320gb 7200.10 Seagate 500gb 7200.11 Seagate 500gb 7200.12 WD 320gb 32000aaks The Maxtor and the WD are in raid 0 right now. Hatich is my dads computer, its coming out period and going in an encloser to be a time machine for my mac. the 500gb 72.11 is my computers main os drive. Im not sure how i want to set this up. If i want to do the 2 x 500gb in raid 0 and one 320 as my os, or keep the 320's in raid and use the 7200.12 as my os and give my dad my 7200.11. What should i do???