Most people have most likely heard of or noticed the site Pinterest, and whilst watching a video on wordpress.tv I noticed that the Pinterest bookmarklet (similar to "Press This") does not recognise the video as 'pin-able'. It is a shame, as I assume many people would quite like to share content from VideoPress sites. The bookmarklet works on YouTube, but the bookmarklet doesn't work on Vime. I believe that the bookmarklet is mainly aimed at YouTube, as well as large images, although there isn't any real reason why this should not work.
I haven't looked into this too deeply, and whether a fix is possible and easy to implement.