Depends on what you are looking for and how big your home is and flooring types around your home?
Dyson DC65 pulls baird 4 = 76 cfm from the hose. From the nozzle it's 52 cfm.
Dyson V10 54 cfm straight from the machine and 25 cfm from the nozzle.
https://easyhomevacuum.com/
