I have always lusted after it, but it is so expensive. I just got an email that they are $100 off now. Still expensive but a bit less.
I now have a dyson canister vac with a Dust Deputy. Good suction, rarely have to clean the filter; use it mainly for ROS and my Kapex, but regular shop cleaning. It does a good job, but the Dust Cobra is so cool!
Tell me I am crazy...