Even if it works smoothly - and you need a better laptop for this than many poor students have, no 300$ netbooks and such, it still eats your battery which can

Even if it works smoothly - and you need a better laptop for this than many poor students have, no 300$ netbooks and such, it still eats your battery which can be bad if you are in a university with a shortage on power outlets like mine and have a old machine with a bad battery.