I have a Miele, an Air Way Sanitizer, a Royal and an older Shark light weight model. All work well. I like the Shark as it's so light, but replacement filters have to be ordered and the response time is slow. The Miele is great, but pricey. The Air way Sanitizer is made of steel and will probably last forever. Works well, but the cord does not retract. For quick pick ups I prefer my small Shark hand vacs to any of these.