Thanks for all the feedback on the video links guys, appreciate it.
FYI - if you own SL DZ's then you too can move like a ninja and win a limited edition gold pair, just follow this link:
http://senseihaus.com/promotions.htm
as per the vids, these discs totallty transform you dz's, you are missing out if you dont have em!
Peace and good luck
Djknight