Best way to setup harddisks?
 

I have a question regarding harddisk setup. I have a computer with five harddisks in the following setup:

(DISK 1 - OS DISK) Seagate Barracuda 320GB 7.200RPM
(DISK 2) Seagate Barracuda 320GB 7.200RPM
(DISK 3) Seagate Barracuda 320GB 7.200RPM
(DISK 4) 2x Western Digital Raptor 150GB 10.000RPM in RAID 0

Which are the optimal settings to maximize performance? To which disk(s) do I render, where do I store my files, where do I store audio, temporary files... or in other words what are the smartest directory settings?

I think I should render to the RAID 0 array. But do I also capture to it? And where do I store the temporary files? On the OS disk (default) or on 2 or 3?