I am using dell vostro 1540 science September, 2014. I have formatted my laptop three times.some drawbacks I have founded right now.there are some problems in my key pad that is like upper arrow key is not working wify is also not working.other feathers which I would demonstrate here is about its weight.it has a heavy weight comparing to the others.another major problem is its headphone.i am using cirrus logic high definition audio driver.rest of all are good.no more heat it emit.large screen, excellent battery service etc.still I am using this laptop in my all essence. having some micro drawbacks I would say it a good product of Dell.friendly user product.