guys, I need some help... here is the laptop I bot.. http://www.futureshop.ca/catalog/pr...0&sku_id=0665000FS10030923&catid=&newdeptid=1 pls see the specs...built in wireless card. now, I am not very 'tech smart'....what card / product do I need to buy to get internet access when away from home. I was told of the sierra wireless aircard 750. http://www.shoprogers.com/store/wireless/products/connectivity/aircard/overview.asp the more I read thru this the more confused I become....is this sierra wireless product only needed if i DONT have built in wireless? If thats the case, then what do I need? thx I could really use the help.