Good guide, well written and lots of pics!
I don't need to do a USB mod because my Lian Li case has front USB ports. I have had the case since last November and I only just got them working on the weekend. There are only 8 wires but the documentation Lian Li provides and the documentation on the mobo is very misleading - in the end it was trial and error to get the right wire on the right pin.
I agree though, having USB ports on the front is a god send - I have a digital camera and MP3 player which I'm constantly plugging in.