I use this tweak guide for Vista. Minus the ram drive. Def. Install the matrix drivers and def. disable Indexing and Enable Write Back cahcing in thee matrix control panel.
http://www.ocztechnologyforum.com/fo...egistry-tweaks
This is a Win7 Guide
http://www.ocztechnologyforum.com/fo...l=1#post442158
Another tip. When you want to change your os don't format the drive. Use "Sanitary Erase" in a XP os to wipe the drives individually then just rebuild your RAID and install your OS
Sanitary Erase Download