Dyson DC28 Animal HEPA Upright Vacuum for $299.99 shipped.  Here is a screenshot for your reference.  It features a pneumatic actuator, powered cam that adjusts the brush bar, high-torque clutch, fingertip controls, cleaner exhaust up to 150 times less mold and bacteria, 17-feet telescopic wand, lifetime washable HEPA filter, and more.  Most places have it for about $499.