NVIDIA's 3D Vision Wireless Glasses Kit basically converts standard games into 3D and supports the new pure 120Hz LCD monitors. According to the company, "with this method, the left and right eye images are presented on alternating frames, but since these monitors are capable of 120Hz, each eye still sees a full 60Hz signal that is equivalent to the refresh rate on LCD monitors today." Best of all, it's currently on sale for just $93.99 shipped, normally $149. Product page. Continue reading for a video review.
This offers a number of advantages including: Full resolution per eye: In 3D mode, each eye receives the full resolution of the display for the highest possible image quality for text and objects.[Source]