VMInnovations offers the factory-refurbished Shark NV680 Rotator Powered Lift-Away Vacuum Cleaner in Green for $158.99. Coupon code "NVGREEN417" cuts that to $129.99. With free shipping, that's $77 under the lowest price we could find for a new unit. It functions as an upright vacuum and lift-away vacuum, and features a motorized brush, crevice tool, pet multi-tool, floor nozzle, and HEPA filter. A 6-month Shark warranty applies.
Of note, it's also available in Blue at this price via coupon code "NVBLUE417".