X-Rite ColorMunki Display (Black) $99.95, X-Rite i1Display Pro $159.95

Adorama.com also has the:

X-Rite ColorMunki Accurate Monitor Display Calibration $99.95
X-Rite i1Display Pro Display and Monitor Calibrator $158.99





Ergonomic: 3 Integrated Functions
Advanced Filter and Optical Systems
For Virtually All Modern Displays
Field-Upgradeable for Future Technology
Rotating Diffuser Arm / Tripod Mount
Easy and Advanced Modes
Ambient Light Measurement/Smart Control
Flare Correct
Intelligent Profiling for Color Accuracy
Automatic Hardware Adjustment