techPowerUp posted a review on the SteelSeries Ikari Optical Mouse
A quote from the article:
>> SteelSeries Ikari Optical Mouse Review
The SteelSeries Ikari Optical gaming mouse is aimed at hardcore FPS gamers who want the best possible tracking. The optical version of the Ikari mouse looks just like its laser brother, but without the LCD display that indicates which profile is being used.
>> SteelSeries Ikari Optical Mouse Review