yup...mine became a 7x after lithiums /ubbthreads/images/graemlins/frown.gif
actually...this happened twice the first time, 2 leds blew...the next time only one did.
after that point, they were out too, and i didn't want one anyway. so i told them i want a refund, they asked if i wanted a refund or a trek7, i said i wanted the refund.
several weeks later, i get a trek7 in the mail /ubbthreads/images/graemlins/frown.gif
i emailed them, and sent it back, but it turns out they will only refund up to $35 /ubbthreads/images/graemlins/thumbsdown.gif
there was also a flickering problem, i hope they've resolved that with this light.
not really the place to complain about glow-bugs service, but if you can find a different place to order, that might be a good idea.
hopefully the streamlight luxeons will be out soon /ubbthreads/images/graemlins/cool.gif