Niel,
How about adding a stand alone metronome to the site or just add the metronome only for each lesson at the slow speed and up to speed. This would help as I work through each lesson.
Regards
Mike
Metronome
Here are two of them for you.
www.freemetronomeonline.com
http://www.all-guitar-chords.com/metronome.php
www.freemetronomeonline.com
http://www.all-guitar-chords.com/metronome.php