hi!
i'm using the naish 2001 bar for quite a while and it didn't break.
but if you're looking for something better, you might try the slingshot-bars.
made entirely of carbon, the depower is a strap-system (there are no weakening holes in the bar), the safety's good and it looks cool....
(
http://www.sskiteboarding.com)
greetz
murdoc