This is a very good laptop in this price range. I have installed windows7 and it is working fine. generates very less heat, weight of the laptop also ok. screen is wide and good.the keyboard looks little bit congested with numeric keypad but it is ok for typing.flipkart delivered it in 4 days, good service.
Gives me apprx 3 hours battery backup(which is relatively enough for me).Tried some games, no lags or other discomforts. Love it.