Can I play wow on my computer at ultra settings when my internet is only 1 Mbps on a windows 7 computer?

I have cox and really want to play wow and starcraft 2 on ultra settings but i dont know if ill get any lag or anything? so would i get lag if i have all my pc requirements were really high? I have the Toshiba Satellite A215-S7437. I also have 1 Megabits per second internet.

World of Warcraft Cataclysm: Brand new footage

Experience the new lands of World of Warcraft: Cataclysm with this exclusive in-game footage, unveiled at Blizzcon 2009. Follow us on twitter at twitter.com