Here's a double whammy for you. Vietnamese site Tinhte (who have a decent record of leaks) has put out a video of what they claim is a) a white iPhone from Apple which is b) running some "test version" of iOS. As you can see in the video on the next page, multitasking in this mystery version presents you with a page full of screens for running applications. They go all jiggly and present the standard close button when long-pressed, and there's a nifty Search iPhone up top, but seems to be missing from the usual swipe to search function normally used to invoke Spotlight.
Is this real? Well, as Federico Viticci from MacStories points out, the