The HardwareSecrets crew takes a look at what makes the X1900 tick. If you haven't read any technology articles on the R580 architecture, now's your chance.

"It is based on Radeon X1800 core, but brings a few new features that are worth mentioning. In this article we will explore the main differences between Radeon X1900 and Radeon X1800 families."

Also, check out this case they found that's made entirely out of fans. Noisy, I bet.