Need help choosing a laptop

I need help choosing a laptop for facebook, youtube, and league of lengends. I have narrowed down my top 3 choices. I will be also carrying the laptop around a fair bit. 

http://www.canadacomputers.com/product_info.php?cPath=710_577_369&item_id=059622

http://www.canadacomputers.com/product_info.php?cPath=710_577_369&item_id=054899

http://www.canadacomputers.com/product_info.php?cPath=710_577_369&item_id=058230

http://www.bestbuy.ca/en-CA/product/acer-acer-aspire-e1-14-laptop-black-intel-pentium-b960-500gb-hdd-6gb-ram-windows-8-english-e1-431-4626/10223556.aspx?path=4d89419abe69177639d87e2bb59968cben02&SearchPageIndex=1

Thanks for your help !!!

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