I am thinking about buying a new vacuum cleaner and would like a recommendation on one that you have found to be good at really suctioning up the dirt. Price is not a factor.

Dyson. Don't need bags.

Electrolux makes a superb vacuum cleaner as well as Riccar. Then you have Oreck and Dyson and... so on and so forth. Read up on vacuum cleaners at a consumer reports website.

Vacuum Cleaner Reviews: Upright Vacuum Cleaner Reviews

ConsumerReports.org - Appliances: Ratings, Reviews and Buying Guide