It still boggles my mind that you can buy 512Megabytes of RAM for your PC for $25, and consumers can buy 250 Megabyte HDD's for their PC. At the office we have a 5 year old HP XP 256 disk array. The unit stores approximately 3 TB of data and takes up four 3/4 racks in the server room. Its being replaced by a single 2U Sun 3510 FC disk array. Seeing their size difference simply blows me awayconsidering its progress made in just 5 years.