I used iMove to edit a video recorded on my Sony NEX-5 in glorious HD. Please find below, complete with option to watch in HD. Presented in 3D where available.
[youtube http://www.youtube.com/watch?v=H78SsEULn4Q?wmode=transparent]
I lied about the 3D.
PS: the source film is at 1080p, but sadly iMovie will only allow for an export at 720p.