What is the difference between the Dyson dc43 and the dc51 models?

[cazton9]

Does anyone know what the difference is between the Dyson vacuum dc43 model and the Dyson dc51 model?

[toby_le_pue]

http://plug-in.bestbuy.ca/t5/Visit-the-Plug-in-Blog/Meet-Dyson-s-2-new-vacuums-DC46-and-DC51-Animal/...