Kinda depends on her needs. Will she also use it for carpet, walk off mats, or rugs. Does she want a power head with on off switch for brush roll or no power head. Does she want true Hepa. Cost of Hepa filters and size for your money can make a big difference in operating cost over time. Disposable vac if it breaks or does she want to invest in something worth repairing for 10-20 years or more. Sebo, Miele, Patriot are some good Hepa vacs but costly.