The Guru of 3D published a review on the Corsair Obsidian 450D
A quote from the article:
Today we review the Corsair Obsidian 450D. It is the latest iteration in the series, let's call it a mainstream version in the Obsidian chassis series. Not full, mini bit a nice mid-tower intended for mainstream to high-end class PCs.The details and features are really good. Armed with a competitive price this might be the product a lot of you are on the lookout for.Corsair Obsidian 450D Review @ Guru3D
Obsidian - back in the Roman Empire, if a person discovered some sort of mineral they would call him Obsius, it nearly forms the name of today's tested product. So when the Obsius found a, usually black or banded, hard volcanic glass that displays shiny, curved surfaces when fractured and is formed by rapid cooling of lava -- it was called... Obsidian.