The Centrino is dual core... not dual processor. It doesn't have 2 processor.
As for the laptop, the toshiba one is pretty chunky IMO. It really depends on what you are using it for. If it's always on the move.. i would invest a little more money and get the HP one. Like this one.
http://www.bestbuy.ca/catalog/prodde...om_Flyer_Pages
Lenovo also makes a really nice laptop, and the prices are comparable as well. If you are a Visa card holder, you can get 20% off certain laptops.
http://www.visaperks.ca/visaperks/of...TOKEN=90259674
Here's the Lenovo website if you are interested.
http://www.lenovo.com/ca/en/
http://www.lenovo.com/us/en/