HP Workstation Z600 Intel Xeon E5504 2.0GHz 24GB 500GB Quadro FX1800 No OS [ Z600] - $1,049.00 : Professional Multi Monitor Workstations, Graphics Card Experts
HP Z600 Workstation Review - SlashGear
HP Z600 Workstation INTEL (R) XEON 2.66GHz X5650, 4GB Ram, No HDD NO OS | eBay
HP Z600 Workstation FM026UT Intel X5670 2.93GHz/ 6GB /500GB HDD [Z600-035] - $452.00 : Professional Multi Monitor Workstations, Graphics Card Experts