Is it possiple to change graphic and CPU on dell M1710/30????

i wanna by a gaming laptop and i have these options dell XPsm1710/30/alianware and ASUS G1. so which laptop can be upgraded i mean change cpu or graphic card. and how much would it cost, would it be cheaper in the future changing laptop pars, like 2010. now am gonna by laptop with good graphic card and about 2 years it would be not so good so its possible to change it in dells service without using lots of money? (if i buy dells XPS).Is it possiple to change graphic and CPU on dell M1710/30????unfortunately all newer products will have the video dedicated (XPS) but integrated on the motherboard. I would suggest getting a laptop with 512mb vid, you will spend more right now but it will last longer : )

advice and suggestions

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