I was getting around 500 KiB/s for the 1080p version just a few minutes into the download. You could also just rip the 1080p version from YouTube with "Easy Yo

I was getting around 500 KiB/s for the 1080p version just a few minutes into the download. You could also just rip the 1080p version from YouTube with "Easy YouTube Video Downloader" browser add-on, or a similar add-on (there are tons of these). The YouTube servers typically support downloads of around 1-1.5 MiB/s which is better than torrents in most cases (on residential Internet lines).