Just a couple weeks ago, we reported about a Google Video redesign that upset users. In short, they changed how the Google Video search results displayed. Well, it looks like Google is testing search refinements on the video results pages.
Sam from Oh Nuts sent me a screen shot, which he saw when using the Chrome browser (however, I could not replicate in Chrome):
Compare that to the image I have on April 22nd and you will notice the large difference.
Forum discussion continued at Google Web Search Help.