Editing drone footage on my 2011 MBP and I'm getting about 1 hour export times for 10 minutes of video. This is on iMovie 10 with a quad core i7 @ 2GHz. I'm not doing anything intricate as far as editing is concerned, just a few cuts and transitions, adding music and exporting to 1080p but in the future I might do more. What I'd like to know is how much better export times would I get with newer hardware (say a 5k iMac with the 4GHz i7). Also on my current system would I be better off converting the files to 1080p in another application before editing? Would handbrake do this?