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I just tried Handbrake converting down to MP4 and it took forever on a Wintel 7 notebook.
The trick is not to watch the movies transcode in Handbreak. Start a cue of a few movies, then go to sleep or go to work.

It will take you 5 minutes or less of your time to set up the cue and the rest of the time it takes to transcode will be be computer time, not your time. Make it a daily ritual and you'll be done before you know it.
 
My 2.7GHz QC i7 chews through blu-ray rips almost in real time: a 2h movie takes 2h to compress.
Previous 2.4GHz DC C2D required 5x the amount (10h avg to convert a 2h movie).
Thus I had to use Elgato Turbo.264 HD hardware encoder to speed up the process.
 
My 2.7GHz QC i7 chews through blu-ray rips almost in real time: a 2h movie takes 2h to compress.
Previous 2.4GHz DC C2D required 5x the amount (10h avg to convert a 2h movie).
Thus I had to use Elgato Turbo.264 HD hardware encoder to speed up the process.

Cool, I'm gonna look into a hardware solution.
 
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