Pantone Eye-One Display 2

From the Manufacturer

Combination of tweaking and proofing might be eluding you simply because the color on your monitor is not accurate. The fact is, all monitors (yes, both new and old) display color differently. The only way to address this is by calibrating and profiling your monitor. Eye-One Display 2 is a professional monitor-calibration tool that lets you achieve accurate color on all types of displays--including LCDs, CRTs, and laptops...