I use them for programming, so they are pretty powerful. More than what you need for exchange stock. They are all less than one year old. I got a new job and got a new computer from my company, so i am selling one of them.
g7-2069wm: $299.
http://www.newegg.com/Product/Product.aspx?Item=N82E16834256829
It is almost like the one below, just the one below is 14 in, mine is 17 in. Mine is windows 7 pro and with office.