David Brownlee wrote:
>> Just out of curiosity, why were such small hard drives purchased?  Or
>> were these older ones that were already laying around?  I was just
>> wondering, because the going price for 200 GB SATA drives is only about
>> $100.  Anything smaller is considerably more expensive per GB.

This is probably because the Raptors are much faster than 7,200rpm SATA 
disks.  They can be striped and made even faster with software RAID.  It 
makes an enormous difference to disk I/O intensive stuff.

Cheers
James