JoeK provides us with this MacNytt.com link which claims to have Apple rackmount specs, codenamed High Fidelity:
* 1U rack mounting
* 2x G4/1 GHz (might be of newer type than those of today)
* 2 GB DDR RAM
* 2x 64-bit PCI slots
* 2x Gigabit Ethernet
* 4x hotswappable UltraATA100 120 GB hard drives
* USB
* 800 Mbps FireWire
* Console port
* VGA port
(translated by aggemam)
Only hours left to see....