The current issue of Consumer Reports has a nice discussion on the virtues and vices of the lightweight Dyson. It compares and contrasts its performance with other light weight vacuums by Hoover and Riccar. Unfortunately, the article is not yet posted on the CR web site.
Consumer Reports online is now allowing subscribers to add their own reviews on vacuums. Many readers agree with CR's assessments, but some aren't very happy with their recommendations. It is a must read for all CR.com readers.
The smart tyrant writes his own story to ensure that it is favorable. The lazy will repeat lines from the book without fact checking.