I never got around to bringing this up when I actually did it, but I recently got a new video player for the videos. I have not done it for the video tutorials yet. Basically, this is what I plan on using for the video/audio player when I get the new version of Imantu ready to go.
I think that every so often I will do some updates with to the current version of Imantu with some things made for the new version. That way we will have some new stuff being added here and there. The good thing about the new version is that despite that fact that everything is getting a major facelift and that I am looking through all of the code to improve and add some new things here and there, it should not take too long since most of the coding is already done.
I will probably make a new news post sometime soon explaining the goals and reasons behind going after a new version of Imantu now, rather than later.