Bing has recently much improved their video search offering. The layout is far better - depending on your screen size you can get from between 4 to 6 thumbnails. You can cursor over each image and if the originating site allows, you can get a preview of the video - they take segments from the whole video to give you a good idea of what you're going to be looking at. Underneath each video you get the factual details about the video, such as length, when it was posted, how many views it's had and what the originating site is. You can also search with filters such as length, date, resolution, source, price (if there is one), and safesearch options. Once you scroll down a screen you also have a handy little 'people interested in [your search] also searched for...
When you view a video it loads into a Bing frame; you don't get taken off to YouTube or wherever to watch the video (unless you chose to), and there are options allowing you to move forward to the next video in the search sequence, or to choose from another search in a right hand menu.
Bing has also made great strides when it comes to music videos as well. If you search for a band or artist you get to see a list of their most popular works at the top of the screen which you can click on and see the appropriate videos displayed in the search for you.
What's particularly interesting is that Bing has really stolen a march on Google (which of course owns YouTube) by making their video search at least on par with that of YouTube's if not better.