will keep you fit to carry around a full back pack.. rocky would be proud lol
you should go with the asus rog i7baby linked if you cant spend more.. cant match the durability of asus and msi of something that will get moved around a lot.
http://www.newegg.com/Product/ProductList.aspx?Submit=ENE&N=100025325%204022&IsNodeId=1&bop=And&Order=PRICED&PageSize=30
looks like you would be in the 860m range for that
tis costly for a great gaming laptop with future viability
it depends on the screen res how well a 840m will do
if you want a 1080p gaming laptop that will keep you happy for years to come then a 880m or 970m is what you want
check out what msi and asus have to offer