Hi guys, Can you please share your experiences regarding 849NU.1. How's the speed? Is it constant as many people would be downloading around the net at the same time?2. They have mentioned in their site that the Modem should be restarted? How and when to do?3. Please do tell me regarding a Wifi router to be used along with my Modem DSL-502TDo tell me the best one. I have a Pc and would buy a laptop. Is it possible use the net in the both the cases?