@ The-Real-Link
I can somewhat understand why someone would want to use cases..  while it costs money and increases temps, it definitely improves Feng Shui and makes moving things around a bit easier. But why on earth would you equip every machine with a keyboard and monitor? And a HDD?

Even if you are new to linux, you really want to check out BAMT:
https://bitcointalk.org/index.php?topic=28967.0