"Avid Studio rolls onto iPad, treads on iMovie's toes"
There are a growing number number of of apps available for video-editing on the iPad, (and also a the iPhone). This appears to be one of the most sophisticated.
I dont think we are anywhere near the end of the road yet, in terms of mobile video editing, but as it takes will be certainly worth keeping an eye in a research context, asking what are the benefits of mobile video editing, (if any) as opposed to desktop?
More from Avid's page here, and available on app store for £2.99 ($4.99)