The best-reviewed upright vacuums on SmartReview for 2014 and 2015 are the Dyson DC65 Animal Complete Upright Vacuum, which is bagless, and the Dyson Cinetic ?Big Ball? Animal+Allergy Upright Vacuum, which is also bagless. Another highly reviewed bagless vacuum is the Dyson DC59 Animal Cordless Upright Vacuum.
Among the best-reviewed vacuums with bags are the Miele S7210 Twist Upright Vacuum Cleaner and the Miele S7260 Cat and Dog Upright Vacuum. For people seeking upright vacuums that cost $300 or less, well-reviewed vacuums include the Hoover WindTunnel Air Steerable Upright Vacuum UH72400 and the Hoover Platinum UH30010COM Lightweight Upright Vacuum with Canister.
The Dyson DC65 Animal Complete is good for removing pet hair and has added power. The Dyson Cinetic ?Big Ball? has a motorized brush ball to make removing pet hair simpler and does not need filters.