If Riccar/Simplicity is too rich for your blood, I recommend Sanitaire/Eureka/Hoover.
Here are some Hoovers:
http://hoover.com/products/details/s3670/anniversary-windtunnel-bagged-canister-vacuum/
http://hoover.com/products/details/u6485900/anniversary-windtunnel-self-propelled-bagged-upright/...