It is usefull device.you can start work from home or compaby.it is costaly but not bad.support all updated operating systum.dell service center available all citys and it is provide field service.if your device brek or any accidental case.thne go to service center and replace.dell service is better.given fast speed and no hang problem.battery backup is better.it is available all indian market.you can go and purchaze.i am purchasing 2 laptop using for software development.it is given best performance.